├── .gitignore
├── README.md
├── algorithms
    ├── 0001-0500
    │   ├── 0001_two-sum_1_AC.cpp
    │   ├── 0002_add-two-numbers_1_AC.cpp
    │   ├── 0003_longest-substring-without-repeating-characters_1_AC.cpp
    │   ├── 0004_median-of-two-sorted-arrays_1_AC.cpp
    │   ├── 0004_median-of-two-sorted-arrays_2_AC.cpp
    │   ├── 0005_longest-palindromic-substring_1_AC.cpp
    │   ├── 0005_longest-palindromic-substring_2_AC.cpp
    │   ├── 0006_zigzag-conversion_1_AC.cpp
    │   ├── 0007_reverse-integer_1_AC.cpp
    │   ├── 0008_string-to-integer-atoi_1_AC.cpp
    │   ├── 0009_palindrome-number_1_AC.cpp
    │   ├── 0010_regular-expression-matching_1_AC.cpp
    │   ├── 0011_container-with-most-water_1_AC.cpp
    │   ├── 0012_integer-to-roman_1_AC.cpp
    │   ├── 0013_roman-to-integer_1_AC.cpp
    │   ├── 0014_longest-common-prefix_1_AC.cpp
    │   ├── 0015_3sum_1_AC.cpp
    │   ├── 0016_3sum-closest_1_AC.cpp
    │   ├── 0017_letter-combinations-of-a-phone-number_1_AC.cpp
    │   ├── 0018_4sum_1_AC.cpp
    │   ├── 0019_remove-nth-node-from-end-of-list_1_AC.cpp
    │   ├── 0020_valid-parentheses_1_AC.cpp
    │   ├── 0021_merge-two-sorted-lists_1_AC.cpp
    │   ├── 0022_generate-parentheses_1_AC.cpp
    │   ├── 0023_merge-k-sorted-lists_1_AC.cpp
    │   ├── 0024_swap-nodes-in-pairs_1_AC.cpp
    │   ├── 0025_reverse-nodes-in-k-group_1_AC.cpp
    │   ├── 0026_remove-duplicates-from-sorted-array_1_AC.cpp
    │   ├── 0027_remove-element_1_AC.cpp
    │   ├── 0028_find-the-index-of-the-first-occurrence-in-a-string_1_AC.cpp
    │   ├── 0028_find-the-index-of-the-first-occurrence-in-a-string_2_AC.cpp
    │   ├── 0028_find-the-index-of-the-first-occurrence-in-a-string_3_AC.cpp
    │   ├── 0029_divide-two-integers_1_AC.cpp
    │   ├── 0030_substring-with-concatenation-of-all-words_1_AC.cpp
    │   ├── 0031_next-permutation_1_AC.cpp
    │   ├── 0032_longest-valid-parentheses_1_AC.cpp
    │   ├── 0033_search-in-rotated-sorted-array_1_AC.cpp
    │   ├── 0034_find-first-and-last-position-of-element-in-sorted-array_1_AC.cpp
    │   ├── 0035_search-insert-position_1_AC.cpp
    │   ├── 0036_valid-sudoku_1_AC.cpp
    │   ├── 0037_sudoku-solver_1_AC.cpp
    │   ├── 0038_count-and-say_1_AC.cpp
    │   ├── 0039_combination-sum_1_AC.cpp
    │   ├── 0040_combination-sum-ii_1_AC.cpp
    │   ├── 0041_first-missing-positive_1_AC.cpp
    │   ├── 0042_trapping-rain-water_1_AC.cpp
    │   ├── 0043_multiply-strings_1_AC.cpp
    │   ├── 0044_wildcard-matching_1_AC.cpp
    │   ├── 0045_jump-game-ii_1_AC.cpp
    │   ├── 0046_permutations_1_AC.cpp
    │   ├── 0046_permutations_2_AC.cpp
    │   ├── 0047_permutations-ii_1_AC.cpp
    │   ├── 0048_rotate-image_1_AC.cpp
    │   ├── 0049_group-anagrams_1_AC.cpp
    │   ├── 0050_powx-n_1_AC.cpp
    │   ├── 0051_n-queens_1_AC.cpp
    │   ├── 0052_n-queens-ii_1_AC.cpp
    │   ├── 0053_maximum-subarray_1_AC.cpp
    │   ├── 0054_spiral-matrix_1_AC.cpp
    │   ├── 0055_jump-game_1_AC.cpp
    │   ├── 0056_merge-intervals_1_AC.cpp
    │   ├── 0057_insert-interval_1_AC.cpp
    │   ├── 0058_length-of-last-word_1_AC.cpp
    │   ├── 0059_spiral-matrix-ii_1_AC.cpp
    │   ├── 0060_permutation-sequence_1_AC.cpp
    │   ├── 0061_rotate-list_1_AC.cpp
    │   ├── 0062_unique-paths_1_AC.cpp
    │   ├── 0063_unique-paths-ii_1_AC.cpp
    │   ├── 0064_minimum-path-sum_1_AC.cpp
    │   ├── 0065_valid-number_1_AC.cpp
    │   ├── 0066_plus-one_1_AC.cpp
    │   ├── 0067_add-binary_1_AC.cpp
    │   ├── 0068_text-justification_1_AC.cpp
    │   ├── 0069_sqrtx_1_AC.cpp
    │   ├── 0070_climbing-stairs_1_AC.cpp
    │   ├── 0071_simplify-path_1_AC.cpp
    │   ├── 0072_edit-distance_1_AC.cpp
    │   ├── 0073_set-matrix-zeroes_1_AC.cpp
    │   ├── 0074_search-a-2d-matrix_1_AC.cpp
    │   ├── 0075_sort-colors_1_AC.cpp
    │   ├── 0076_minimum-window-substring_1_AC.cpp
    │   ├── 0077_combinations_1_AC.cpp
    │   ├── 0077_combinations_2_AC.cpp
    │   ├── 0078_subsets_1_AC.cpp
    │   ├── 0078_subsets_2_AC.cpp
    │   ├── 0079_word-search_1_AC.cpp
    │   ├── 0080_remove-duplicates-from-sorted-array-ii_1_AC.cpp
    │   ├── 0081_search-in-rotated-sorted-array-ii_1_AC.cpp
    │   ├── 0082_remove-duplicates-from-sorted-list-ii_1_AC.cpp
    │   ├── 0083_remove-duplicates-from-sorted-list_1_AC.cpp
    │   ├── 0084_largest-rectangle-in-histogram_1_AC.cpp
    │   ├── 0085_maximal-rectangle_1_AC.cpp
    │   ├── 0086_partition-list_1_AC.cpp
    │   ├── 0087_scramble-string_1_AC.cpp
    │   ├── 0088_merge-sorted-array_1_AC.cpp
    │   ├── 0089_gray-code_1_AC.cpp
    │   ├── 0090_subsets-ii_1_AC.cpp
    │   ├── 0091_decode-ways_1_AC.cpp
    │   ├── 0092_reverse-linked-list-ii_1_AC.cpp
    │   ├── 0093_restore-ip-addresses_1_AC.cpp
    │   ├── 0094_binary-tree-inorder-traversal_1_AC.cpp
    │   ├── 0094_binary-tree-inorder-traversal_2_AC.cpp
    │   ├── 0095_unique-binary-search-trees-ii_1_AC.cpp
    │   ├── 0096_unique-binary-search-trees_1_AC.cpp
    │   ├── 0097_interleaving-string_1_AC.cpp
    │   ├── 0098_validate-binary-search-tree_1_AC.cpp
    │   ├── 0099_recover-binary-search-tree_1_AC.cpp
    │   ├── 0099_recover-binary-search-tree_2_AC.cpp
    │   ├── 0100_same-tree_1_AC.cpp
    │   ├── 0101_symmetric-tree_1_AC.cpp
    │   ├── 0101_symmetric-tree_2_AC.cpp
    │   ├── 0102_binary-tree-level-order-traversal_1_AC.cpp
    │   ├── 0102_binary-tree-level-order-traversal_2_AC.cpp
    │   ├── 0103_binary-tree-zigzag-level-order-traversal_1_AC.cpp
    │   ├── 0104_maximum-depth-of-binary-tree_1_AC.cpp
    │   ├── 0105_construct-binary-tree-from-preorder-and-inorder-traversal_1_AC.cpp
    │   ├── 0106_construct-binary-tree-from-inorder-and-postorder-traversal_1_AC.cpp
    │   ├── 0107_binary-tree-level-order-traversal-ii_1_AC.cpp
    │   ├── 0108_convert-sorted-array-to-binary-search-tree_1_AC.cpp
    │   ├── 0109_convert-sorted-list-to-binary-search-tree_1_AC.cpp
    │   ├── 0110_balanced-binary-tree_1_AC.cpp
    │   ├── 0111_minimum-depth-of-binary-tree_1_AC.cpp
    │   ├── 0112_path-sum_1_AC.cpp
    │   ├── 0113_path-sum-ii_1_AC.cpp
    │   ├── 0114_flatten-binary-tree-to-linked-list_1_AC.cpp
    │   ├── 0115_distinct-subsequences_1_AC.cpp
    │   ├── 0116_populating-next-right-pointers-in-each-node_1_AC.cpp
    │   ├── 0117_populating-next-right-pointers-in-each-node-ii_1_AC.cpp
    │   ├── 0117_populating-next-right-pointers-in-each-node-ii_2_AC.cpp
    │   ├── 0118_pascals-triangle_1_AC.cpp
    │   ├── 0119_pascals-triangle-ii_1_AC.cpp
    │   ├── 0120_triangle_1_AC.cpp
    │   ├── 0121_best-time-to-buy-and-sell-stock_1_AC.cpp
    │   ├── 0122_best-time-to-buy-and-sell-stock-ii_1_AC.cpp
    │   ├── 0123_best-time-to-buy-and-sell-stock-iii_1_AC.cpp
    │   ├── 0124_binary-tree-maximum-path-sum_1_AC.cpp
    │   ├── 0125_valid-palindrome_1_AC.cpp
    │   ├── 0126_word-ladder-ii_1_AC.cpp
    │   ├── 0127_word-ladder_1_AC.cpp
    │   ├── 0128_longest-consecutive-sequence_1_AC.cpp
    │   ├── 0129_sum-root-to-leaf-numbers_1_AC.cpp
    │   ├── 0130_surrounded-regions_1_AC.cpp
    │   ├── 0131_palindrome-partitioning_1_AC.cpp
    │   ├── 0132_palindrome-partitioning-ii_1_AC.cpp
    │   ├── 0133_clone-graph_1_AC.cpp
    │   ├── 0134_gas-station_1_AC.cpp
    │   ├── 0135_candy_1_AC.cpp
    │   ├── 0136_single-number_1_AC.cpp
    │   ├── 0137_single-number-ii_1_AC.cpp
    │   ├── 0138_copy-list-with-random-pointer_1_AC.cpp
    │   ├── 0138_copy-list-with-random-pointer_2_AC.cpp
    │   ├── 0139_word-break_1_AC.cpp
    │   ├── 0140_word-break-ii_1_AC.cpp
    │   ├── 0141_linked-list-cycle_1_AC.cpp
    │   ├── 0141_linked-list-cycle_2_AC.cpp
    │   ├── 0142_linked-list-cycle-ii_1_AC.cpp
    │   ├── 0142_linked-list-cycle-ii_2_AC.cpp
    │   ├── 0143_reorder-list_1_AC.cpp
    │   ├── 0144_binary-tree-preorder-traversal_1_AC.cpp
    │   ├── 0144_binary-tree-preorder-traversal_2_AC.cpp
    │   ├── 0145_binary-tree-postorder-traversal_1_AC.cpp
    │   ├── 0145_binary-tree-postorder-traversal_2_AC.cpp
    │   ├── 0146_lru-cache_1_AC.cpp
    │   ├── 0146_lru-cache_2_AC.cpp
    │   ├── 0147_insertion-sort-list_1_AC.cpp
    │   ├── 0148_sort-list_1_AC.cpp
    │   ├── 0149_max-points-on-a-line_1_AC.cpp
    │   ├── 0150_evaluate-reverse-polish-notation_1_AC.cpp
    │   ├── 0151_reverse-words-in-a-string_1_AC.cpp
    │   ├── 0152_maximum-product-subarray_1_AC.cpp
    │   ├── 0153_find-minimum-in-rotated-sorted-array_1_AC.cpp
    │   ├── 0154_find-minimum-in-rotated-sorted-array-ii_1_AC.cpp
    │   ├── 0155_min-stack_1_AC.cpp
    │   ├── 0156_binary-tree-upside-down_1_AC.cpp
    │   ├── 0157_read-n-characters-given-read4_1_AC.cpp
    │   ├── 0158_read-n-characters-given-read4-ii-call-multiple-times_1_AC.cpp
    │   ├── 0159_longest-substring-with-at-most-two-distinct-characters_1_AC.cpp
    │   ├── 0160_intersection-of-two-linked-lists_1_AC.cpp
    │   ├── 0160_intersection-of-two-linked-lists_2_AC.cpp
    │   ├── 0160_intersection-of-two-linked-lists_3_AC.cpp
    │   ├── 0161_one-edit-distance_1_AC.cpp
    │   ├── 0162_find-peak-element_1_AC.cpp
    │   ├── 0162_find-peak-element_2_AC.cpp
    │   ├── 0163_missing-ranges_1_AC.cpp
    │   ├── 0164_maximum-gap_1_AC.cpp
    │   ├── 0165_compare-version-numbers_1_AC.cpp
    │   ├── 0166_fraction-to-recurring-decimal_1_AC.cpp
    │   ├── 0167_two-sum-ii-input-array-is-sorted_1_AC.cpp
    │   ├── 0168_excel-sheet-column-title_1_AC.cpp
    │   ├── 0169_majority-element_1_AC.cpp
    │   ├── 0170_two-sum-iii-data-structure-design_1_AC.cpp
    │   ├── 0170_two-sum-iii-data-structure-design_2_AC.py
    │   ├── 0171_excel-sheet-column-number_1_AC.cpp
    │   ├── 0172_factorial-trailing-zeroes_1_AC.cpp
    │   ├── 0173_binary-search-tree-iterator_1_AC.cpp
    │   ├── 0174_dungeon-game_1_AC.cpp
    │   ├── 0179_largest-number_1_AC.cpp
    │   ├── 0186_reverse-words-in-a-string-ii_1_AC.cpp
    │   ├── 0187_repeated-dna-sequences_1_AC.cpp
    │   ├── 0188_best-time-to-buy-and-sell-stock-iv_1_AC.cpp
    │   ├── 0188_best-time-to-buy-and-sell-stock-iv_2_AC.cpp
    │   ├── 0189_rotate-array_1_AC.cpp
    │   ├── 0190_reverse-bits_1_AC.cpp
    │   ├── 0190_reverse-bits_2_AC.cpp
    │   ├── 0191_number-of-1-bits_1_AC.cpp
    │   ├── 0198_house-robber_1_AC.cpp
    │   ├── 0199_binary-tree-right-side-view_1_AC.cpp
    │   ├── 0199_binary-tree-right-side-view_2_AC.cpp
    │   ├── 0200_number-of-islands_1_AC.cpp
    │   ├── 0201_bitwise-and-of-numbers-range_1_AC.cpp
    │   ├── 0202_happy-number_1_AC.cpp
    │   ├── 0202_happy-number_2_AC.py
    │   ├── 0203_remove-linked-list-elements_1_AC.cpp
    │   ├── 0204_count-primes_1_AC.cpp
    │   ├── 0205_isomorphic-strings_1_AC.cpp
    │   ├── 0206_reverse-linked-list_1_AC.cpp
    │   ├── 0207_course-schedule_1_AC.cpp
    │   ├── 0208_implement-trie-prefix-tree_1_AC.cpp
    │   ├── 0209_minimum-size-subarray-sum_1_AC.cpp
    │   ├── 0210_course-schedule-ii_1_AC.cpp
    │   ├── 0211_design-add-and-search-words-data-structure_1_AC.cpp
    │   ├── 0212_word-search-ii_1_AC.cpp
    │   ├── 0213_house-robber-ii_1_AC.cpp
    │   ├── 0214_shortest-palindrome_1_AC.cpp
    │   ├── 0215_kth-largest-element-in-an-array_1_AC.cpp
    │   ├── 0216_combination-sum-iii_1_AC.cpp
    │   ├── 0217_contains-duplicate_1_AC.cpp
    │   ├── 0218_the-skyline-problem_1_AC.cpp
    │   ├── 0219_contains-duplicate-ii_1_AC.cpp
    │   ├── 0220_contains-duplicate-iii_1_AC.cpp
    │   ├── 0221_maximal-square_1_AC.cpp
    │   ├── 0222_count-complete-tree-nodes_1_AC.cpp
    │   ├── 0223_rectangle-area_1_AC.cpp
    │   ├── 0224_basic-calculator_1_AC.cpp
    │   ├── 0225_implement-stack-using-queues_1_AC.cpp
    │   ├── 0226_invert-binary-tree_1_AC.cpp
    │   ├── 0227_basic-calculator-ii_1_AC.cpp
    │   ├── 0228_summary-ranges_1_AC.cpp
    │   ├── 0229_majority-element-ii_1_AC.cpp
    │   ├── 0230_kth-smallest-element-in-a-bst_1_AC.cpp
    │   ├── 0231_power-of-two_1_AC.cpp
    │   ├── 0232_implement-queue-using-stacks_1_AC.cpp
    │   ├── 0233_number-of-digit-one_1_AC.cpp
    │   ├── 0234_palindrome-linked-list_1_AC.cpp
    │   ├── 0235_lowest-common-ancestor-of-a-binary-search-tree_1_AC.cpp
    │   ├── 0236_lowest-common-ancestor-of-a-binary-tree_1_AC.cpp
    │   ├── 0237_delete-node-in-a-linked-list_1_AC.cpp
    │   ├── 0238_product-of-array-except-self_1_AC.cpp
    │   ├── 0239_sliding-window-maximum_1_AC.cpp
    │   ├── 0240_search-a-2d-matrix-ii_1_AC.cpp
    │   ├── 0241_different-ways-to-add-parentheses_1_AC.cpp
    │   ├── 0242_valid-anagram_1_AC.cpp
    │   ├── 0242_valid-anagram_2_AC.cpp
    │   ├── 0242_valid-anagram_3_AC.cpp
    │   ├── 0243_shortest-word-distance_1_AC.cpp
    │   ├── 0244_shortest-word-distance-ii_1_AC.cpp
    │   ├── 0245_shortest-word-distance-iii_1_AC.cpp
    │   ├── 0246_strobogrammatic-number_1_AC.cpp
    │   ├── 0247_strobogrammatic-number-ii_1_AC.cpp
    │   ├── 0248_strobogrammatic-number-iii_1_AC.cpp
    │   ├── 0249_group-shifted-strings_1_AC.cpp
    │   ├── 0250_count-univalue-subtrees_1_AC.cpp
    │   ├── 0251_flatten-2d-vector_1_AC.cpp
    │   ├── 0252_meeting-rooms_1_AC.cpp
    │   ├── 0253_meeting-rooms-ii_1_AC.cpp
    │   ├── 0254_factor-combinations_1_AC.cpp
    │   ├── 0255_verify-preorder-sequence-in-binary-search-tree_1_AC.cpp
    │   ├── 0256_paint-house_1_AC.cpp
    │   ├── 0257_binary-tree-paths_1_AC.cpp
    │   ├── 0258_add-digits_1_AC.cpp
    │   ├── 0259_3sum-smaller_1_AC.cpp
    │   ├── 0260_single-number-iii_1_AC.cpp
    │   ├── 0261_graph-valid-tree_1_AC.cpp
    │   ├── 0263_ugly-number_1_AC.cpp
    │   ├── 0264_ugly-number-ii_1_AC.cpp
    │   ├── 0265_paint-house-ii_1_AC.cpp
    │   ├── 0266_palindrome-permutation_1_AC.cpp
    │   ├── 0267_palindrome-permutation-ii_1_AC.cpp
    │   ├── 0268_missing-number_1_AC.cpp
    │   ├── 0269_alien-dictionary_1_AC.cpp
    │   ├── 0270_closest-binary-search-tree-value_1_AC.cpp
    │   ├── 0271_encode-and-decode-strings_1_AC.cpp
    │   ├── 0272_closest-binary-search-tree-value-ii_1_AC.cpp
    │   ├── 0273_integer-to-english-words_1_AC.cpp
    │   ├── 0274_h-index_1_AC.cpp
    │   ├── 0275_h-index-ii_1_AC.cpp
    │   ├── 0276_paint-fence_1_AC.cpp
    │   ├── 0277_find-the-celebrity_1_AC.cpp
    │   ├── 0278_first-bad-version_1_AC.cpp
    │   ├── 0279_perfect-squares_1_AC.cpp
    │   ├── 0280_wiggle-sort_1_AC.cpp
    │   ├── 0281_zigzag-iterator_1_AC.cpp
    │   ├── 0282_expression-add-operators_1_AC.cpp
    │   ├── 0283_move-zeroes_1_AC.cpp
    │   ├── 0284_peeking-iterator_1_AC.cpp
    │   ├── 0285_inorder-successor-in-bst_1_AC.cpp
    │   ├── 0286_walls-and-gates_1_AC.cpp
    │   ├── 0287_find-the-duplicate-number_1_AC.cpp
    │   ├── 0287_find-the-duplicate-number_2_AC.cpp
    │   ├── 0288_unique-word-abbreviation_1_AC.cpp
    │   ├── 0289_game-of-life_1_AC.cpp
    │   ├── 0290_word-pattern_1_AC.cpp
    │   ├── 0291_word-pattern-ii_1_AC.cpp
    │   ├── 0292_nim-game_1_AC.cpp
    │   ├── 0293_flip-game_1_AC.cpp
    │   ├── 0294_flip-game-ii_1_AC.cpp
    │   ├── 0295_find-median-from-data-stream_1_AC.cpp
    │   ├── 0296_best-meeting-point_1_AC.cpp
    │   ├── 0297_serialize-and-deserialize-binary-tree_1_AC.cpp
    │   ├── 0298_binary-tree-longest-consecutive-sequence_1_AC.cpp
    │   ├── 0299_bulls-and-cows_1_AC.cpp
    │   ├── 0300_longest-increasing-subsequence_1_AC.cpp
    │   ├── 0301_remove-invalid-parentheses_1_AC.cpp
    │   ├── 0302_smallest-rectangle-enclosing-black-pixels_1_AC.cpp
    │   ├── 0302_smallest-rectangle-enclosing-black-pixels_2_AC.cpp
    │   ├── 0303_range-sum-query-immutable_1_AC.cpp
    │   ├── 0304_range-sum-query-2d-immutable_1_AC.cpp
    │   ├── 0305_number-of-islands-ii_1_AC.cpp
    │   ├── 0306_additive-number_1_AC.cpp
    │   ├── 0307_range-sum-query-mutable_1_AC.cpp
    │   ├── 0308_range-sum-query-2d-mutable_1_AC.cpp
    │   ├── 0309_best-time-to-buy-and-sell-stock-with-cooldown_1_AC.cpp
    │   ├── 0310_minimum-height-trees_1_AC.cpp
    │   ├── 0311_sparse-matrix-multiplication_1_AC.cpp
    │   ├── 0312_burst-balloons_1_AC.cpp
    │   ├── 0313_super-ugly-number_1_AC.cpp
    │   ├── 0314_binary-tree-vertical-order-traversal_1_AC.cpp
    │   ├── 0315_count-of-smaller-numbers-after-self_1_AC.cpp
    │   ├── 0316_remove-duplicate-letters_1_AC.cpp
    │   ├── 0317_shortest-distance-from-all-buildings_1_AC.cpp
    │   ├── 0318_maximum-product-of-word-lengths_1_AC.cpp
    │   ├── 0319_bulb-switcher_1_AC.cpp
    │   ├── 0320_generalized-abbreviation_1_AC.cpp
    │   ├── 0321_create-maximum-number_1_AC.cpp
    │   ├── 0322_coin-change_1_AC.cpp
    │   ├── 0323_number-of-connected-components-in-an-undirected-graph_1_AC.cpp
    │   ├── 0324_wiggle-sort-ii_1_AC.cpp
    │   ├── 0325_maximum-size-subarray-sum-equals-k_1_AC.cpp
    │   ├── 0326_power-of-three_1_AC.cpp
    │   ├── 0326_power-of-three_2_AC.cpp
    │   ├── 0327_count-of-range-sum_1_AC.cpp
    │   ├── 0328_odd-even-linked-list_1_AC.cpp
    │   ├── 0329_longest-increasing-path-in-a-matrix_1_AC.cpp
    │   ├── 0330_patching-array_1_AC.cpp
    │   ├── 0331_verify-preorder-serialization-of-a-binary-tree_1_AC.cpp
    │   ├── 0332_reconstruct-itinerary_1_AC.cpp
    │   ├── 0333_largest-bst-subtree_1_AC.cpp
    │   ├── 0334_increasing-triplet-subsequence_1_AC.cpp
    │   ├── 0335_self-crossing_1_AC.cpp
    │   ├── 0336_palindrome-pairs_1_AC.cpp
    │   ├── 0336_palindrome-pairs_2_AC.py
    │   ├── 0337_house-robber-iii_1_AC.cpp
    │   ├── 0338_counting-bits_1_AC.cpp
    │   ├── 0339_nested-list-weight-sum_1_AC.cpp
    │   ├── 0340_longest-substring-with-at-most-k-distinct-characters_1_AC.cpp
    │   ├── 0341_flatten-nested-list-iterator_1_AC.cpp
    │   ├── 0342_power-of-four_1_AC.cpp
    │   ├── 0342_power-of-four_2_AC.cpp
    │   ├── 0343_integer-break_1_AC.cpp
    │   ├── 0344_reverse-string_1_AC.cpp
    │   ├── 0344_reverse-string_2_AC.cpp
    │   ├── 0345_reverse-vowels-of-a-string_1_AC.cpp
    │   ├── 0346_moving-average-from-data-stream_1_AC.cpp
    │   ├── 0347_top-k-frequent-elements_1_AC.cpp
    │   ├── 0348_design-tic-tac-toe_1_AC.cpp
    │   ├── 0349_intersection-of-two-arrays_1_AC.cpp
    │   ├── 0350_intersection-of-two-arrays-ii_1_AC.cpp
    │   ├── 0351_android-unlock-patterns_1_AC.cpp
    │   ├── 0352_data-stream-as-disjoint-intervals_1_AC.cpp
    │   ├── 0353_design-snake-game_1_AC.cpp
    │   ├── 0354_russian-doll-envelopes_1_AC.cpp
    │   ├── 0354_russian-doll-envelopes_2_AC.cpp
    │   ├── 0355_design-twitter_1_AC.cpp
    │   ├── 0356_line-reflection_1_AC.cpp
    │   ├── 0357_count-numbers-with-unique-digits_1_AC.cpp
    │   ├── 0358_rearrange-string-k-distance-apart_1_AC.cpp
    │   ├── 0359_logger-rate-limiter_1_AC.cpp
    │   ├── 0360_sort-transformed-array_1_AC.cpp
    │   ├── 0361_bomb-enemy_1_AC.cpp
    │   ├── 0362_design-hit-counter_1_AC.cpp
    │   ├── 0363_max-sum-of-rectangle-no-larger-than-k_1_AC.cpp
    │   ├── 0364_nested-list-weight-sum-ii_1_AC.cpp
    │   ├── 0365_water-and-jug-problem_1_AC.cpp
    │   ├── 0366_find-leaves-of-binary-tree_1_AC.cpp
    │   ├── 0367_valid-perfect-square_1_AC.cpp
    │   ├── 0368_largest-divisible-subset_1_AC.cpp
    │   ├── 0369_plus-one-linked-list_1_AC.cpp
    │   ├── 0370_range-addition_1_AC.cpp
    │   ├── 0371_sum-of-two-integers_1_AC.cpp
    │   ├── 0372_super-pow_1_AC.cpp
    │   ├── 0373_find-k-pairs-with-smallest-sums_1_AC.cpp
    │   ├── 0374_guess-number-higher-or-lower_1_AC.cpp
    │   ├── 0375_guess-number-higher-or-lower-ii_1_AC.cpp
    │   ├── 0376_wiggle-subsequence_1_AC.cpp
    │   ├── 0377_combination-sum-iv_1_AC.cpp
    │   ├── 0378_kth-smallest-element-in-a-sorted-matrix_1_AC.cpp
    │   ├── 0379_design-phone-directory_1_AC.cpp
    │   ├── 0379_design-phone-directory_2_AC.cpp
    │   ├── 0380_insert-delete-getrandom-o1_1_AC.cpp
    │   ├── 0381_insert-delete-getrandom-o1-duplicates-allowed_1_AC.cpp
    │   ├── 0382_linked-list-random-node_1_AC.cpp
    │   ├── 0383_ransom-note_1_AC.cpp
    │   ├── 0384_shuffle-an-array_1_AC.cpp
    │   ├── 0385_mini-parser_1_AC.cpp
    │   ├── 0386_lexicographical-numbers_1_AC.cpp
    │   ├── 0387_first-unique-character-in-a-string_1_AC.cpp
    │   ├── 0388_longest-absolute-file-path_1_AC.cpp
    │   ├── 0389_find-the-difference_1_AC.cpp
    │   ├── 0389_find-the-difference_2_AC.cpp
    │   ├── 0390_elimination-game_1_AC.cpp
    │   ├── 0391_perfect-rectangle_1_AC.cpp
    │   ├── 0392_is-subsequence_1_AC.cpp
    │   ├── 0393_utf-8-validation_1_AC.cpp
    │   ├── 0394_decode-string_1_AC.cpp
    │   ├── 0395_longest-substring-with-at-least-k-repeating-characters_1_AC.cpp
    │   ├── 0396_rotate-function_1_AC.cpp
    │   ├── 0397_integer-replacement_1_AC.cpp
    │   ├── 0398_random-pick-index_1_AC.cpp
    │   ├── 0398_random-pick-index_2_AC.py
    │   ├── 0399_evaluate-division_1_AC.cpp
    │   ├── 0400_nth-digit_1_AC.cpp
    │   ├── 0401_binary-watch_1_AC.cpp
    │   ├── 0402_remove-k-digits_1_AC.cpp
    │   ├── 0403_frog-jump_1_AC.cpp
    │   ├── 0404_sum-of-left-leaves_1_AC.cpp
    │   ├── 0405_convert-a-number-to-hexadecimal_1_AC.cpp
    │   ├── 0406_queue-reconstruction-by-height_1_AC.cpp
    │   ├── 0406_queue-reconstruction-by-height_2_AC.cpp
    │   ├── 0407_trapping-rain-water-ii_1_AC.cpp
    │   ├── 0408_valid-word-abbreviation_1_AC.cpp
    │   ├── 0409_longest-palindrome_1_AC.cpp
    │   ├── 0410_split-array-largest-sum_1_AC.cpp
    │   ├── 0410_split-array-largest-sum_2_AC.cpp
    │   ├── 0410_split-array-largest-sum_3_AC.py
    │   ├── 0411_minimum-unique-word-abbreviation_1_AC.cpp
    │   ├── 0412_fizz-buzz_1_AC.cpp
    │   ├── 0413_arithmetic-slices_1_AC.cpp
    │   ├── 0414_third-maximum-number_1_AC.cpp
    │   ├── 0415_add-strings_1_AC.cpp
    │   ├── 0416_partition-equal-subset-sum_1_AC.cpp
    │   ├── 0417_pacific-atlantic-water-flow_1_AC.cpp
    │   ├── 0418_sentence-screen-fitting_1_AC.cpp
    │   ├── 0419_battleships-in-a-board_1_AC.cpp
    │   ├── 0420_strong-password-checker_1_AC.cpp
    │   ├── 0421_maximum-xor-of-two-numbers-in-an-array_1_AC.cpp
    │   ├── 0422_valid-word-square_1_AC.cpp
    │   ├── 0423_reconstruct-original-digits-from-english_1_AC.cpp
    │   ├── 0424_longest-repeating-character-replacement_1_AC.cpp
    │   ├── 0425_word-squares_1_AC.cpp
    │   ├── 0426_convert-binary-search-tree-to-sorted-doubly-linked-list_1_AC.py
    │   ├── 0427_construct-quad-tree_1_AC.cpp
    │   ├── 0428_serialize-and-deserialize-n-ary-tree_1_AC.py
    │   ├── 0429_n-ary-tree-level-order-traversal_1_AC.cpp
    │   ├── 0430_flatten-a-multilevel-doubly-linked-list_1_AC.py
    │   ├── 0431_encode-n-ary-tree-to-binary-tree_1_AC.py
    │   ├── 0432_all-oone-data-structure_1_AC.cpp
    │   ├── 0432_all-oone-data-structure_2_AC.py
    │   ├── 0433_minimum-genetic-mutation_1_AC.py
    │   ├── 0434_number-of-segments-in-a-string_1_AC.cpp
    │   ├── 0435_non-overlapping-intervals_1_AC.cpp
    │   ├── 0435_non-overlapping-intervals_2_AC.cpp
    │   ├── 0436_find-right-interval_1_AC.cpp
    │   ├── 0437_path-sum-iii_1_AC.cpp
    │   ├── 0437_path-sum-iii_2_AC.cpp
    │   ├── 0438_find-all-anagrams-in-a-string_1_AC.cpp
    │   ├── 0439_ternary-expression-parser_1_AC.cpp
    │   ├── 0440_k-th-smallest-in-lexicographical-order_1_AC.cpp
    │   ├── 0441_arranging-coins_1_AC.cpp
    │   ├── 0442_find-all-duplicates-in-an-array_1_AC.cpp
    │   ├── 0443_string-compression_1_AC.cpp
    │   ├── 0444_sequence-reconstruction_1_AC.cpp
    │   ├── 0445_add-two-numbers-ii_1_AC.cpp
    │   ├── 0446_arithmetic-slices-ii-subsequence_1_AC.cpp
    │   ├── 0447_number-of-boomerangs_1_AC.cpp
    │   ├── 0448_find-all-numbers-disappeared-in-an-array_1_AC.cpp
    │   ├── 0448_find-all-numbers-disappeared-in-an-array_2_AC.cpp
    │   ├── 0449_serialize-and-deserialize-bst_1_AC.cpp
    │   ├── 0450_delete-node-in-a-bst_1_AC.cpp
    │   ├── 0451_sort-characters-by-frequency_1_AC.cpp
    │   ├── 0452_minimum-number-of-arrows-to-burst-balloons_1_AC.cpp
    │   ├── 0453_minimum-moves-to-equal-array-elements_1_AC.cpp
    │   ├── 0454_4sum-ii_1_AC.cpp
    │   ├── 0455_assign-cookies_1_AC.cpp
    │   ├── 0456_132-pattern_1_AC.cpp
    │   ├── 0457_circular-array-loop_1_AC.py
    │   ├── 0459_repeated-substring-pattern_1_AC.cpp
    │   ├── 0460_lfu-cache_1_AC.cpp
    │   ├── 0461_hamming-distance_1_AC.cpp
    │   ├── 0462_minimum-moves-to-equal-array-elements-ii_1_AC.cpp
    │   ├── 0463_island-perimeter_1_AC.cpp
    │   ├── 0464_can-i-win_1_AC.cpp
    │   ├── 0465_optimal-account-balancing_1_AC.cpp
    │   ├── 0466_count-the-repetitions_1_AC.cpp
    │   ├── 0467_unique-substrings-in-wraparound-string_1_AC.cpp
    │   ├── 0468_validate-ip-address_1_AC.cpp
    │   ├── 0469_convex-polygon_1_AC.cpp
    │   ├── 0470_implement-rand10-using-rand7_1_AC.py
    │   ├── 0471_encode-string-with-shortest-length_1_AC.cpp
    │   ├── 0472_concatenated-words_1_AC.cpp
    │   ├── 0473_matchsticks-to-square_1_AC.cpp
    │   ├── 0474_ones-and-zeroes_1_AC.cpp
    │   ├── 0475_heaters_1_AC.cpp
    │   ├── 0476_number-complement_1_AC.cpp
    │   ├── 0477_total-hamming-distance_1_AC.cpp
    │   ├── 0478_generate-random-point-in-a-circle_1_AC.py
    │   ├── 0479_largest-palindrome-product_1_AC.cpp
    │   ├── 0480_sliding-window-median_1_AC.cpp
    │   ├── 0481_magical-string_1_AC.cpp
    │   ├── 0482_license-key-formatting_1_AC.cpp
    │   ├── 0483_smallest-good-base_1_AC.cpp
    │   ├── 0484_find-permutation_1_AC.cpp
    │   ├── 0485_max-consecutive-ones_1_AC.cpp
    │   ├── 0486_predict-the-winner_1_AC.cpp
    │   ├── 0487_max-consecutive-ones-ii_1_AC.cpp
    │   ├── 0488_zuma-game_1_AC.cpp
    │   ├── 0489_robot-room-cleaner_1_AC.py
    │   ├── 0490_the-maze_1_AC.cpp
    │   ├── 0491_non-decreasing-subsequences_1_AC.cpp
    │   ├── 0492_construct-the-rectangle_1_AC.cpp
    │   ├── 0493_reverse-pairs_1_AC.cpp
    │   ├── 0494_target-sum_1_AC.cpp
    │   ├── 0495_teemo-attacking_1_AC.cpp
    │   ├── 0496_next-greater-element-i_1_AC.cpp
    │   ├── 0497_random-point-in-non-overlapping-rectangles_1_AC.py
    │   ├── 0498_diagonal-traverse_1_AC.cpp
    │   ├── 0499_the-maze-iii_1_AC.cpp
    │   └── 0500_keyboard-row_1_AC.cpp
    ├── 0501-1000
    │   ├── 0501_find-mode-in-binary-search-tree_1_AC.cpp
    │   ├── 0502_ipo_1_AC.cpp
    │   ├── 0503_next-greater-element-ii_1_AC.cpp
    │   ├── 0504_base-7_1_AC.cpp
    │   ├── 0505_the-maze-ii_1_AC.cpp
    │   ├── 0506_relative-ranks_1_AC.cpp
    │   ├── 0507_perfect-number_1_AC.cpp
    │   ├── 0508_most-frequent-subtree-sum_1_AC.cpp
    │   ├── 0509_fibonacci-number_1_AC.cpp
    │   ├── 0510_inorder-successor-in-bst-ii_1_AC.py
    │   ├── 0513_find-bottom-left-tree-value_1_AC.cpp
    │   ├── 0514_freedom-trail_1_AC.cpp
    │   ├── 0515_find-largest-value-in-each-tree-row_1_AC.cpp
    │   ├── 0516_longest-palindromic-subsequence_1_AC.cpp
    │   ├── 0517_super-washing-machines_1_AC.cpp
    │   ├── 0518_coin-change-ii_1_AC.py
    │   ├── 0519_random-flip-matrix_1_AC.py
    │   ├── 0519_random-flip-matrix_2_AC.py
    │   ├── 0520_detect-capital_1_AC.cpp
    │   ├── 0521_longest-uncommon-subsequence-i_1_AC.cpp
    │   ├── 0522_longest-uncommon-subsequence-ii_1_AC.cpp
    │   ├── 0523_continuous-subarray-sum_1_AC.cpp
    │   ├── 0524_longest-word-in-dictionary-through-deleting_1_AC.cpp
    │   ├── 0525_contiguous-array_1_AC.cpp
    │   ├── 0526_beautiful-arrangement_1_AC.cpp
    │   ├── 0527_word-abbreviation_1_AC.cpp
    │   ├── 0528_random-pick-with-weight_1_AC.py
    │   ├── 0529_minesweeper_1_AC.cpp
    │   ├── 0530_minimum-absolute-difference-in-bst_1_AC.cpp
    │   ├── 0531_lonely-pixel-i_1_AC.cpp
    │   ├── 0532_k-diff-pairs-in-an-array_1_AC.cpp
    │   ├── 0533_lonely-pixel-ii_1_AC.cpp
    │   ├── 0535_encode-and-decode-tinyurl_1_AC.cpp
    │   ├── 0536_construct-binary-tree-from-string_1_AC.cpp
    │   ├── 0537_complex-number-multiplication_1_AC.cpp
    │   ├── 0538_convert-bst-to-greater-tree_1_AC.cpp
    │   ├── 0539_minimum-time-difference_1_AC.cpp
    │   ├── 0540_single-element-in-a-sorted-array_1_AC.cpp
    │   ├── 0541_reverse-string-ii_1_AC.cpp
    │   ├── 0542_01-matrix_1_AC.cpp
    │   ├── 0543_diameter-of-binary-tree_1_AC.cpp
    │   ├── 0544_output-contest-matches_1_AC.cpp
    │   ├── 0545_boundary-of-binary-tree_1_AC.py
    │   ├── 0546_remove-boxes_1_AC.cpp
    │   ├── 0547_number-of-provinces_1_AC.cpp
    │   ├── 0548_split-array-with-equal-sum_1_AC.py
    │   ├── 0549_binary-tree-longest-consecutive-sequence-ii_1_AC.py
    │   ├── 0551_student-attendance-record-i_1_AC.cpp
    │   ├── 0552_student-attendance-record-ii_1_AC.cpp
    │   ├── 0553_optimal-division_1_AC.cpp
    │   ├── 0554_brick-wall_1_AC.cpp
    │   ├── 0555_split-concatenated-strings_1_AC.py
    │   ├── 0556_next-greater-element-iii_1_AC.cpp
    │   ├── 0557_reverse-words-in-a-string-iii_1_AC.cpp
    │   ├── 0558_logical-or-of-two-binary-grids-represented-as-quad-trees_1_AC.cpp
    │   ├── 0559_maximum-depth-of-n-ary-tree_1_AC.cpp
    │   ├── 0560_subarray-sum-equals-k_1_AC.cpp
    │   ├── 0561_array-partition_1_AC.cpp
    │   ├── 0562_longest-line-of-consecutive-one-in-matrix_1_AC.py
    │   ├── 0563_binary-tree-tilt_1_AC.cpp
    │   ├── 0564_find-the-closest-palindrome_1_AC.cpp
    │   ├── 0565_array-nesting_1_AC.cpp
    │   ├── 0566_reshape-the-matrix_1_AC.cpp
    │   ├── 0567_permutation-in-string_1_AC.cpp
    │   ├── 0568_maximum-vacation-days_1_AC.py
    │   ├── 0572_subtree-of-another-tree_1_AC.cpp
    │   ├── 0573_squirrel-simulation_1_AC.py
    │   ├── 0575_distribute-candies_1_AC.cpp
    │   ├── 0576_out-of-boundary-paths_1_AC.cpp
    │   ├── 0581_shortest-unsorted-continuous-subarray_1_AC.cpp
    │   ├── 0582_kill-process_1_AC.cpp
    │   ├── 0583_delete-operation-for-two-strings_1_AC.cpp
    │   ├── 0587_erect-the-fence_1_AC.cpp
    │   ├── 0588_design-in-memory-file-system_1_AC.cpp
    │   ├── 0589_n-ary-tree-preorder-traversal_1_AC.cpp
    │   ├── 0590_n-ary-tree-postorder-traversal_1_AC.cpp
    │   ├── 0591_tag-validator_1_AC.cpp
    │   ├── 0592_fraction-addition-and-subtraction_1_AC.cpp
    │   ├── 0593_valid-square_1_AC.cpp
    │   ├── 0594_longest-harmonious-subsequence_1_AC.cpp
    │   ├── 0598_range-addition-ii_1_AC.cpp
    │   ├── 0599_minimum-index-sum-of-two-lists_1_AC.cpp
    │   ├── 0600_non-negative-integers-without-consecutive-ones_1_AC.cpp
    │   ├── 0604_design-compressed-string-iterator_1_AC.py
    │   ├── 0605_can-place-flowers_1_AC.cpp
    │   ├── 0606_construct-string-from-binary-tree_1_AC.cpp
    │   ├── 0609_find-duplicate-file-in-system_1_AC.cpp
    │   ├── 0611_valid-triangle-number_1_AC.cpp
    │   ├── 0616_add-bold-tag-in-string_1_AC.py
    │   ├── 0617_merge-two-binary-trees_1_AC.cpp
    │   ├── 0621_task-scheduler_1_AC.cpp
    │   ├── 0622_design-circular-queue_1_AC.py
    │   ├── 0623_add-one-row-to-tree_1_AC.cpp
    │   ├── 0624_maximum-distance-in-arrays_1_AC.cpp
    │   ├── 0625_minimum-factorization_1_AC.cpp
    │   ├── 0628_maximum-product-of-three-numbers_1_AC.cpp
    │   ├── 0629_k-inverse-pairs-array_1_AC.cpp
    │   ├── 0630_course-schedule-iii_1_AC.cpp
    │   ├── 0632_smallest-range-covering-elements-from-k-lists_1_AC.cpp
    │   ├── 0633_sum-of-square-numbers_1_AC.cpp
    │   ├── 0634_find-the-derangement-of-an-array_1_AC.py
    │   ├── 0635_design-log-storage-system_1_AC.cpp
    │   ├── 0636_exclusive-time-of-functions_1_AC.cpp
    │   ├── 0637_average-of-levels-in-binary-tree_1_AC.cpp
    │   ├── 0638_shopping-offers_1_AC.cpp
    │   ├── 0639_decode-ways-ii_1_AC.cpp
    │   ├── 0640_solve-the-equation_1_AC.cpp
    │   ├── 0641_design-circular-deque_1_AC.py
    │   ├── 0642_design-search-autocomplete-system_1_AC.py
    │   ├── 0643_maximum-average-subarray-i_1_AC.cpp
    │   ├── 0644_maximum-average-subarray-ii_1_AC.cpp
    │   ├── 0645_set-mismatch_1_AC.cpp
    │   ├── 0646_maximum-length-of-pair-chain_1_AC.cpp
    │   ├── 0647_palindromic-substrings_1_AC.cpp
    │   ├── 0648_replace-words_1_AC.cpp
    │   ├── 0649_dota2-senate_1_AC.cpp
    │   ├── 0650_2-keys-keyboard_1_AC.cpp
    │   ├── 0651_4-keys-keyboard_1_AC.py
    │   ├── 0652_find-duplicate-subtrees_1_AC.cpp
    │   ├── 0653_two-sum-iv-input-is-a-bst_1_AC.cpp
    │   ├── 0654_maximum-binary-tree_1_AC.cpp
    │   ├── 0654_maximum-binary-tree_2_AC.cpp
    │   ├── 0655_print-binary-tree_1_AC.cpp
    │   ├── 0657_robot-return-to-origin_1_AC.cpp
    │   ├── 0658_find-k-closest-elements_1_AC.cpp
    │   ├── 0659_split-array-into-consecutive-subsequences_1_AC.cpp
    │   ├── 0661_image-smoother_1_AC.cpp
    │   ├── 0662_maximum-width-of-binary-tree_1_AC.cpp
    │   ├── 0663_equal-tree-partition_1_AC.py
    │   ├── 0665_non-decreasing-array_1_AC.cpp
    │   ├── 0666_path-sum-iv_1_AC.py
    │   ├── 0667_beautiful-arrangement-ii_1_AC.cpp
    │   ├── 0669_trim-a-binary-search-tree_1_AC.cpp
    │   ├── 0670_maximum-swap_1_AC.cpp
    │   ├── 0671_second-minimum-node-in-a-binary-tree_1_AC.cpp
    │   ├── 0672_bulb-switcher-ii_1_AC.cpp
    │   ├── 0673_number-of-longest-increasing-subsequence_1_AC.py
    │   ├── 0674_longest-continuous-increasing-subsequence_1_AC.cpp
    │   ├── 0675_cut-off-trees-for-golf-event_1_AC.py
    │   ├── 0676_implement-magic-dictionary_1_AC.cpp
    │   ├── 0677_map-sum-pairs_1_AC.cpp
    │   ├── 0678_valid-parenthesis-string_1_AC.py
    │   ├── 0678_valid-parenthesis-string_2_AC.py
    │   ├── 0679_24-game_1_AC.py
    │   ├── 0680_valid-palindrome-ii_1_AC.cpp
    │   ├── 0681_next-closest-time_1_AC.py
    │   ├── 0682_baseball-game_1_AC.cpp
    │   ├── 0684_redundant-connection_1_AC.cpp
    │   ├── 0686_repeated-string-match_1_AC.cpp
    │   ├── 0687_longest-univalue-path_1_AC.cpp
    │   ├── 0688_knight-probability-in-chessboard_1_AC.cpp
    │   ├── 0690_employee-importance_1_AC.cpp
    │   ├── 0692_top-k-frequent-words_1_AC.cpp
    │   ├── 0693_binary-number-with-alternating-bits_1_AC.cpp
    │   ├── 0694_number-of-distinct-islands_1_AC.py
    │   ├── 0695_max-area-of-island_1_AC.cpp
    │   ├── 0696_count-binary-substrings_1_AC.cpp
    │   ├── 0697_degree-of-an-array_1_AC.cpp
    │   ├── 0698_partition-to-k-equal-sum-subsets_1_AC.cpp
    │   ├── 0700_search-in-a-binary-search-tree_1_AC.cpp
    │   ├── 0701_insert-into-a-binary-search-tree_1_AC.py
    │   ├── 0702_search-in-a-sorted-array-of-unknown-size_1_AC.py
    │   ├── 0703_kth-largest-element-in-a-stream_1_AC.cpp
    │   ├── 0704_binary-search_1_AC.cpp
    │   ├── 0705_design-hashset_1_AC.cpp
    │   ├── 0706_design-hashmap_1_AC.cpp
    │   ├── 0707_design-linked-list_1_AC.cpp
    │   ├── 0708_insert-into-a-sorted-circular-linked-list_1_AC.py
    │   ├── 0709_to-lower-case_1_AC.cpp
    │   ├── 0712_minimum-ascii-delete-sum-for-two-strings_1_AC.cpp
    │   ├── 0713_subarray-product-less-than-k_1_AC.cpp
    │   ├── 0714_best-time-to-buy-and-sell-stock-with-transaction-fee_1_AC.cpp
    │   ├── 0716_max-stack_1_AC.py
    │   ├── 0717_1-bit-and-2-bit-characters_1_AC.cpp
    │   ├── 0718_maximum-length-of-repeated-subarray_1_AC.cpp
    │   ├── 0719_find-k-th-smallest-pair-distance_1_AC.py
    │   ├── 0720_longest-word-in-dictionary_1_AC.cpp
    │   ├── 0721_accounts-merge_1_AC.py
    │   ├── 0722_remove-comments_1_AC.py
    │   ├── 0723_candy-crush_1_AC.py
    │   ├── 0724_find-pivot-index_1_AC.cpp
    │   ├── 0725_split-linked-list-in-parts_1_AC.cpp
    │   ├── 0726_number-of-atoms_1_AC.py
    │   ├── 0728_self-dividing-numbers_1_AC.cpp
    │   ├── 0729_my-calendar-i_1_AC.cpp
    │   ├── 0731_my-calendar-ii_1_AC.py
    │   ├── 0732_my-calendar-iii_1_AC.py
    │   ├── 0733_flood-fill_1_AC.cpp
    │   ├── 0734_sentence-similarity_1_AC.cpp
    │   ├── 0735_asteroid-collision_1_AC.cpp
    │   ├── 0737_sentence-similarity-ii_1_AC.cpp
    │   ├── 0738_monotone-increasing-digits_1_AC.py
    │   ├── 0739_daily-temperatures_1_AC.py
    │   ├── 0740_delete-and-earn_1_AC.py
    │   ├── 0741_cherry-pickup_1_AC.py
    │   ├── 0742_closest-leaf-in-a-binary-tree_1_AC.py
    │   ├── 0743_network-delay-time_1_AC.cpp
    │   ├── 0744_find-smallest-letter-greater-than-target_1_AC.cpp
    │   ├── 0745_prefix-and-suffix-search_1_AC.cpp
    │   ├── 0746_min-cost-climbing-stairs_1_AC.cpp
    │   ├── 0747_largest-number-at-least-twice-of-others_1_AC.cpp
    │   ├── 0748_shortest-completing-word_1_AC.cpp
    │   ├── 0749_contain-virus_1_AC.cpp
    │   ├── 0750_number-of-corner-rectangles_1_AC.py
    │   ├── 0751_ip-to-cidr_1_AC.py
    │   ├── 0752_open-the-lock_1_AC.py
    │   ├── 0753_cracking-the-safe_1_AC.py
    │   ├── 0754_reach-a-number_1_AC.cpp
    │   ├── 0755_pour-water_1_AC.py
    │   ├── 0756_pyramid-transition-matrix_1_AC.py
    │   ├── 0758_bold-words-in-string_1_AC.py
    │   ├── 0759_employee-free-time_1_AC.py
    │   ├── 0760_find-anagram-mappings_1_AC.py
    │   ├── 0761_special-binary-string_1_AC.py
    │   ├── 0762_prime-number-of-set-bits-in-binary-representation_1_AC.cpp
    │   ├── 0763_partition-labels_1_AC.py
    │   ├── 0764_largest-plus-sign_1_AC.py
    │   ├── 0766_toeplitz-matrix_1_AC.py
    │   ├── 0767_reorganize-string_1_AC.py
    │   ├── 0769_max-chunks-to-make-sorted_1_AC.py
    │   ├── 0771_jewels-and-stones_1_AC.cpp
    │   ├── 0773_sliding-puzzle_1_AC.py
    │   ├── 0775_global-and-local-inversions_1_AC.py
    │   ├── 0776_split-bst_1_AC.py
    │   ├── 0777_swap-adjacent-in-lr-string_1_AC.py
    │   ├── 0779_k-th-symbol-in-grammar_1_AC.py
    │   ├── 0781_rabbits-in-forest_1_AC.py
    │   ├── 0783_minimum-distance-between-bst-nodes_1_AC.py
    │   ├── 0784_letter-case-permutation_1_AC.py
    │   ├── 0785_is-graph-bipartite_1_AC.py
    │   ├── 0786_k-th-smallest-prime-fraction_1_AC.py
    │   ├── 0787_cheapest-flights-within-k-stops_1_AC.py
    │   ├── 0788_rotated-digits_1_AC.py
    │   ├── 0789_escape-the-ghosts_1_AC.py
    │   ├── 0790_domino-and-tromino-tiling_1_AC.py
    │   ├── 0791_custom-sort-string_1_AC.py
    │   ├── 0792_number-of-matching-subsequences_1_AC.py
    │   ├── 0794_valid-tic-tac-toe-state_1_AC.py
    │   ├── 0795_number-of-subarrays-with-bounded-maximum_1_AC.py
    │   ├── 0796_rotate-string_1_AC.py
    │   ├── 0797_all-paths-from-source-to-target_1_AC.py
    │   ├── 0799_champagne-tower_1_AC.py
    │   ├── 0800_similar-rgb-color_1_AC.py
    │   ├── 0801_minimum-swaps-to-make-sequences-increasing_1_AC.py
    │   ├── 0802_find-eventual-safe-states_1_AC.py
    │   ├── 0804_unique-morse-code-words_1_AC.py
    │   ├── 0806_number-of-lines-to-write-string_1_AC.py
    │   ├── 0807_max-increase-to-keep-city-skyline_1_AC.py
    │   ├── 0808_soup-servings_1_AC.py
    │   ├── 0809_expressive-words_1_AC.py
    │   ├── 0811_subdomain-visit-count_1_AC.py
    │   ├── 0812_largest-triangle-area_1_AC.py
    │   ├── 0813_largest-sum-of-averages_1_AC.py
    │   ├── 0814_binary-tree-pruning_1_AC.py
    │   ├── 0815_bus-routes_1_AC.py
    │   ├── 0816_ambiguous-coordinates_1_AC.py
    │   ├── 0817_linked-list-components_1_AC.py
    │   ├── 0819_most-common-word_1_AC.py
    │   ├── 0820_short-encoding-of-words_1_AC.py
    │   ├── 0821_shortest-distance-to-a-character_1_AC.py
    │   ├── 0822_card-flipping-game_1_AC.py
    │   ├── 0823_binary-trees-with-factors_1_AC.py
    │   ├── 0824_goat-latin_1_AC.py
    │   ├── 0825_friends-of-appropriate-ages_1_AC.py
    │   ├── 0826_most-profit-assigning-work_1_AC.py
    │   ├── 0830_positions-of-large-groups_1_AC.py
    │   ├── 0831_masking-personal-information_1_AC.py
    │   ├── 0832_flipping-an-image_1_AC.py
    │   ├── 0833_find-and-replace-in-string_1_AC.py
    │   ├── 0834_sum-of-distances-in-tree_1_AC.py
    │   ├── 0835_image-overlap_1_AC.py
    │   ├── 0836_rectangle-overlap_1_AC.py
    │   ├── 0837_new-21-game_1_AC.py
    │   ├── 0838_push-dominoes_1_AC.py
    │   ├── 0840_magic-squares-in-grid_1_AC.py
    │   ├── 0841_keys-and-rooms_1_AC.py
    │   ├── 0842_split-array-into-fibonacci-sequence_1_AC.py
    │   ├── 0843_guess-the-word_1_AC.py
    │   ├── 0844_backspace-string-compare_1_AC.py
    │   ├── 0845_longest-mountain-in-array_1_AC.py
    │   ├── 0846_hand-of-straights_1_AC.py
    │   ├── 0847_shortest-path-visiting-all-nodes_1_AC.py
    │   ├── 0848_shifting-letters_1_AC.py
    │   ├── 0849_maximize-distance-to-closest-person_1_AC.py
    │   ├── 0851_loud-and-rich_1_AC.py
    │   ├── 0852_peak-index-in-a-mountain-array_1_AC.py
    │   ├── 0853_car-fleet_1_AC.py
    │   ├── 0855_exam-room_1_AC.py
    │   ├── 0856_score-of-parentheses_1_AC.py
    │   ├── 0857_minimum-cost-to-hire-k-workers_1_AC.py
    │   ├── 0858_mirror-reflection_1_AC.py
    │   ├── 0859_buddy-strings_1_AC.py
    │   ├── 0860_lemonade-change_1_AC.py
    │   ├── 0861_score-after-flipping-matrix_1_AC.py
    │   ├── 0863_all-nodes-distance-k-in-binary-tree_1_AC.py
    │   ├── 0865_smallest-subtree-with-all-the-deepest-nodes_1_AC.py
    │   ├── 0866_prime-palindrome_1_AC.py
    │   ├── 0867_transpose-matrix_1_AC.py
    │   ├── 0868_binary-gap_1_AC.py
    │   ├── 0869_reordered-power-of-2_1_AC.py
    │   ├── 0870_advantage-shuffle_1_AC.py
    │   ├── 0872_leaf-similar-trees_1_AC.py
    │   ├── 0873_length-of-longest-fibonacci-subsequence_1_AC.py
    │   ├── 0874_walking-robot-simulation_1_AC.py
    │   ├── 0875_koko-eating-bananas_1_AC.py
    │   ├── 0876_middle-of-the-linked-list_1_AC.py
    │   ├── 0877_stone-game_1_AC.py
    │   ├── 0877_stone-game_2_AC.py
    │   ├── 0880_decoded-string-at-index_1_AC.py
    │   ├── 0881_boats-to-save-people_1_AC.py
    │   ├── 0883_projection-area-of-3d-shapes_1_AC.py
    │   ├── 0884_uncommon-words-from-two-sentences_1_AC.py
    │   ├── 0885_spiral-matrix-iii_1_AC.py
    │   ├── 0886_possible-bipartition_1_AC.py
    │   ├── 0888_fair-candy-swap_1_AC.py
    │   ├── 0889_construct-binary-tree-from-preorder-and-postorder-traversal_1_AC.py
    │   ├── 0890_find-and-replace-pattern_1_AC.py
    │   ├── 0892_surface-area-of-3d-shapes_1_AC.py
    │   ├── 0893_groups-of-special-equivalent-strings_1_AC.py
    │   ├── 0894_all-possible-full-binary-trees_1_AC.py
    │   ├── 0895_maximum-frequency-stack_1_AC.py
    │   ├── 0896_monotonic-array_1_AC.py
    │   ├── 0897_increasing-order-search-tree_1_AC.py
    │   ├── 0898_bitwise-ors-of-subarrays_1_AC.py
    │   ├── 0899_orderly-queue_1_AC.py
    │   ├── 0900_rle-iterator_1_AC.py
    │   ├── 0901_online-stock-span_1_AC.py
    │   ├── 0904_fruit-into-baskets_1_AC.py
    │   ├── 0905_sort-array-by-parity_1_AC.py
    │   ├── 0908_smallest-range-i_1_AC.py
    │   ├── 0909_snakes-and-ladders_1_AC.py
    │   ├── 0910_smallest-range-ii_1_AC.py
    │   ├── 0911_online-election_1_AC.py
    │   ├── 0912_sort-an-array_1_AC.py
    │   ├── 0914_x-of-a-kind-in-a-deck-of-cards_1_AC.py
    │   ├── 0915_partition-array-into-disjoint-intervals_1_AC.py
    │   ├── 0916_word-subsets_1_AC.py
    │   ├── 0917_reverse-only-letters_1_AC.py
    │   ├── 0918_maximum-sum-circular-subarray_1_AC.py
    │   ├── 0919_complete-binary-tree-inserter_1_AC.py
    │   ├── 0921_minimum-add-to-make-parentheses-valid_1_AC.py
    │   ├── 0922_sort-array-by-parity-ii_1_AC.py
    │   ├── 0923_3sum-with-multiplicity_1_AC.py
    │   ├── 0925_long-pressed-name_1_AC.py
    │   ├── 0926_flip-string-to-monotone-increasing_1_AC.py
    │   ├── 0929_unique-email-addresses_1_AC.py
    │   ├── 0930_binary-subarrays-with-sum_1_AC.py
    │   ├── 0931_minimum-falling-path-sum_1_AC.py
    │   ├── 0932_beautiful-array_1_AC.py
    │   ├── 0933_number-of-recent-calls_1_AC.py
    │   ├── 0934_shortest-bridge_1_AC.py
    │   ├── 0935_knight-dialer_1_AC.py
    │   ├── 0937_reorder-data-in-log-files_1_AC.py
    │   ├── 0938_range-sum-of-bst_1_AC.cpp
    │   ├── 0939_minimum-area-rectangle_1_AC.py
    │   ├── 0941_valid-mountain-array_1_AC.py
    │   ├── 0942_di-string-match_1_AC.py
    │   ├── 0944_delete-columns-to-make-sorted_1_AC.py
    │   ├── 0945_minimum-increment-to-make-array-unique_1_AC.py
    │   ├── 0946_validate-stack-sequences_1_AC.py
    │   ├── 0947_most-stones-removed-with-same-row-or-column_1_AC.py
    │   ├── 0948_bag-of-tokens_1_AC.py
    │   ├── 0949_largest-time-for-given-digits_1_AC.py
    │   ├── 0950_reveal-cards-in-increasing-order_1_AC.py
    │   ├── 0951_flip-equivalent-binary-trees_1_AC.py
    │   ├── 0953_verifying-an-alien-dictionary_1_AC.py
    │   ├── 0954_array-of-doubled-pairs_1_AC.py
    │   ├── 0955_delete-columns-to-make-sorted-ii_1_AC.py
    │   ├── 0957_prison-cells-after-n-days_1_AC.py
    │   ├── 0958_check-completeness-of-a-binary-tree_1_AC.py
    │   ├── 0959_regions-cut-by-slashes_1_AC.py
    │   ├── 0961_n-repeated-element-in-size-2n-array_1_AC.py
    │   ├── 0962_maximum-width-ramp_1_AC.py
    │   ├── 0963_minimum-area-rectangle-ii_1_AC.py
    │   ├── 0965_univalued-binary-tree_1_AC.py
    │   ├── 0966_vowel-spellchecker_1_AC.py
    │   ├── 0967_numbers-with-same-consecutive-differences_1_AC.py
    │   ├── 0969_pancake-sorting_1_AC.py
    │   ├── 0970_powerful-integers_1_AC.py
    │   ├── 0971_flip-binary-tree-to-match-preorder-traversal_1_AC.py
    │   ├── 0973_k-closest-points-to-origin_1_AC.py
    │   ├── 0974_subarray-sums-divisible-by-k_1_AC.py
    │   ├── 0975_odd-even-jump_1_AC.py
    │   ├── 0976_largest-perimeter-triangle_1_AC.py
    │   ├── 0977_squares-of-a-sorted-array_1_AC.py
    │   ├── 0978_longest-turbulent-subarray_1_AC.py
    │   ├── 0979_distribute-coins-in-binary-tree_1_AC.py
    │   ├── 0980_unique-paths-iii_1_AC.py
    │   ├── 0981_time-based-key-value-store_1_AC.py
    │   ├── 0983_minimum-cost-for-tickets_1_AC.py
    │   ├── 0984_string-without-aaa-or-bbb_1_AC.py
    │   ├── 0985_sum-of-even-numbers-after-queries_1_AC.py
    │   ├── 0986_interval-list-intersections_1_AC.py
    │   ├── 0987_vertical-order-traversal-of-a-binary-tree_1_AC.py
    │   ├── 0988_smallest-string-starting-from-leaf_1_AC.py
    │   ├── 0989_add-to-array-form-of-integer_1_AC.py
    │   ├── 0990_satisfiability-of-equality-equations_1_AC.py
    │   ├── 0991_broken-calculator_1_AC.py
    │   ├── 0992_subarrays-with-k-different-integers_1_AC.py
    │   ├── 0993_cousins-in-binary-tree_1_AC.py
    │   ├── 0994_rotting-oranges_1_AC.py
    │   ├── 0995_minimum-number-of-k-consecutive-bit-flips_1_AC.py
    │   ├── 0997_find-the-town-judge_1_AC.py
    │   ├── 0998_maximum-binary-tree-ii_1_AC.py
    │   └── 0999_available-captures-for-rook_1_AC.py
    ├── 1001-1500
    │   ├── 1002_find-common-characters_1_AC.py
    │   ├── 1003_check-if-word-is-valid-after-substitutions_1_AC.py
    │   ├── 1004_max-consecutive-ones-iii_1_AC.py
    │   ├── 1005_maximize-sum-of-array-after-k-negations_1_AC.py
    │   ├── 1006_clumsy-factorial_1_AC.py
    │   ├── 1007_minimum-domino-rotations-for-equal-row_1_AC.py
    │   ├── 1008_construct-binary-search-tree-from-preorder-traversal_1_AC.py
    │   ├── 1009_complement-of-base-10-integer_1_AC.py
    │   ├── 1010_pairs-of-songs-with-total-durations-divisible-by-60_1_AC.py
    │   ├── 1011_capacity-to-ship-packages-within-d-days_1_AC.py
    │   ├── 1013_partition-array-into-three-parts-with-equal-sum_1_AC.py
    │   ├── 1014_best-sightseeing-pair_1_AC.py
    │   ├── 1015_smallest-integer-divisible-by-k_1_AC.py
    │   ├── 1016_binary-string-with-substrings-representing-1-to-n_1_AC.py
    │   ├── 1017_convert-to-base-2_1_AC.py
    │   ├── 1018_binary-prefix-divisible-by-5_1_AC.py
    │   ├── 1019_next-greater-node-in-linked-list_1_AC.py
    │   ├── 1020_number-of-enclaves_1_AC.py
    │   ├── 1021_remove-outermost-parentheses_1_AC.py
    │   ├── 1022_sum-of-root-to-leaf-binary-numbers_1_AC.py
    │   ├── 1023_camelcase-matching_1_AC.py
    │   ├── 1024_video-stitching_1_AC.py
    │   ├── 1025_divisor-game_1_AC.py
    │   ├── 1026_maximum-difference-between-node-and-ancestor_1_AC.py
    │   ├── 1027_longest-arithmetic-subsequence_1_AC.py
    │   ├── 1028_recover-a-tree-from-preorder-traversal_1_AC.py
    │   ├── 1029_two-city-scheduling_1_AC.py
    │   ├── 1030_matrix-cells-in-distance-order_1_AC.py
    │   ├── 1031_maximum-sum-of-two-non-overlapping-subarrays_1_AC.py
    │   ├── 1033_moving-stones-until-consecutive_1_AC.py
    │   ├── 1034_coloring-a-border_1_AC.py
    │   ├── 1035_uncrossed-lines_1_AC.py
    │   ├── 1037_valid-boomerang_1_AC.py
    │   ├── 1038_binary-search-tree-to-greater-sum-tree_1_AC.py
    │   ├── 1039_minimum-score-triangulation-of-polygon_1_AC.py
    │   ├── 1040_moving-stones-until-consecutive-ii_1_AC.py
    │   ├── 1041_robot-bounded-in-circle_1_AC.py
    │   ├── 1042_flower-planting-with-no-adjacent_1_AC.py
    │   ├── 1043_partition-array-for-maximum-sum_1_AC.py
    │   ├── 1046_last-stone-weight_1_AC.py
    │   ├── 1047_remove-all-adjacent-duplicates-in-string_1_AC.py
    │   ├── 1048_longest-string-chain_1_AC.py
    │   ├── 1049_last-stone-weight-ii_1_AC.py
    │   ├── 1051_height-checker_1_AC.py
    │   ├── 1052_grumpy-bookstore-owner_1_AC.py
    │   ├── 1053_previous-permutation-with-one-swap_1_AC.py
    │   ├── 1054_distant-barcodes_1_AC.py
    │   ├── 1055_shortest-way-to-form-string_1_AC.py
    │   ├── 1056_confusing-number_1_AC.py
    │   ├── 1057_campus-bikes_1_AC.py
    │   ├── 1058_minimize-rounding-error-to-meet-target_1_AC.py
    │   ├── 1059_all-paths-from-source-lead-to-destination_1_AC.py
    │   ├── 1060_missing-element-in-sorted-array_1_AC.py
    │   ├── 1061_lexicographically-smallest-equivalent-string_1_AC.py
    │   ├── 1062_longest-repeating-substring_1_AC.py
    │   ├── 1063_number-of-valid-subarrays_1_AC.py
    │   ├── 1064_fixed-point_1_AC.py
    │   ├── 1065_index-pairs-of-a-string_1_AC.py
    │   ├── 1066_campus-bikes-ii_1_AC.py
    │   ├── 1071_greatest-common-divisor-of-strings_1_AC.py
    │   ├── 1072_flip-columns-for-maximum-number-of-equal-rows_1_AC.py
    │   ├── 1073_adding-two-negabinary-numbers_1_AC.py
    │   ├── 1074_number-of-submatrices-that-sum-to-target_1_AC.py
    │   ├── 1078_occurrences-after-bigram_1_AC.py
    │   ├── 1079_letter-tile-possibilities_1_AC.py
    │   ├── 1080_insufficient-nodes-in-root-to-leaf-paths_1_AC.py
    │   ├── 1081_smallest-subsequence-of-distinct-characters_1_AC.py
    │   ├── 1085_sum-of-digits-in-the-minimum-number_1_AC.py
    │   ├── 1086_high-five_1_AC.py
    │   ├── 1087_brace-expansion_1_AC.py
    │   ├── 1089_duplicate-zeros_1_AC.py
    │   ├── 1090_largest-values-from-labels_1_AC.py
    │   ├── 1091_shortest-path-in-binary-matrix_1_AC.py
    │   ├── 1093_statistics-from-a-large-sample_1_AC.py
    │   ├── 1094_car-pooling_1_AC.py
    │   ├── 1096_brace-expansion-ii_1_AC.py
    │   ├── 1099_two-sum-less-than-k_1_AC.py
    │   ├── 1100_find-k-length-substrings-with-no-repeated-characters_1_AC.py
    │   ├── 1101_the-earliest-moment-when-everyone-become-friends_1_AC.py
    │   ├── 1102_path-with-maximum-minimum-value_1_AC.py
    │   ├── 1103_distribute-candies-to-people_1_AC.py
    │   ├── 1104_path-in-zigzag-labelled-binary-tree_1_AC.py
    │   ├── 1105_filling-bookcase-shelves_1_AC.py
    │   ├── 1106_parsing-a-boolean-expression_1_AC.py
    │   ├── 1108_defanging-an-ip-address_1_AC.cpp
    │   ├── 1109_corporate-flight-bookings_1_AC.py
    │   ├── 1109_corporate-flight-bookings_2_AC.py
    │   ├── 1109_corporate-flight-bookings_3_AC.py
    │   ├── 1110_delete-nodes-and-return-forest_1_AC.py
    │   ├── 1111_maximum-nesting-depth-of-two-valid-parentheses-strings_1_AC.py
    │   ├── 1118_number-of-days-in-a-month_1_AC.py
    │   ├── 1119_remove-vowels-from-a-string_1_AC.py
    │   ├── 1120_maximum-average-subtree_1_AC.py
    │   ├── 1122_relative-sort-array_1_AC.py
    │   ├── 1123_lowest-common-ancestor-of-deepest-leaves_1_AC.py
    │   ├── 1123_lowest-common-ancestor-of-deepest-leaves_2_AC.py
    │   ├── 1128_number-of-equivalent-domino-pairs_1_AC.py
    │   ├── 1129_shortest-path-with-alternating-colors_1_AC.py
    │   ├── 1130_minimum-cost-tree-from-leaf-values_1_AC.py
    │   ├── 1131_maximum-of-absolute-value-expression_1_AC.py
    │   ├── 1133_largest-unique-number_1_AC.py
    │   ├── 1134_armstrong-number_1_AC.py
    │   ├── 1135_connecting-cities-with-minimum-cost_1_AC.py
    │   ├── 1137_n-th-tribonacci-number_1_AC.py
    │   ├── 1138_alphabet-board-path_1_AC.py
    │   ├── 1139_largest-1-bordered-square_1_AC.py
    │   ├── 1140_stone-game-ii_1_AC.py
    │   ├── 1143_longest-common-subsequence_1_AC.py
    │   ├── 1144_decrease-elements-to-make-array-zigzag_1_AC.py
    │   ├── 1145_binary-tree-coloring-game_1_AC.py
    │   ├── 1146_snapshot-array_1_AC.py
    │   ├── 1150_check-if-a-number-is-majority-element-in-a-sorted-array_1_AC.py
    │   ├── 1151_minimum-swaps-to-group-all-1s-together_1_AC.py
    │   ├── 1152_analyze-user-website-visit-pattern_1_AC.py
    │   ├── 1154_day-of-the-year_1_AC.py
    │   ├── 1155_number-of-dice-rolls-with-target-sum_1_AC.py
    │   ├── 1156_swap-for-longest-repeated-character-substring_1_AC.py
    │   ├── 1160_find-words-that-can-be-formed-by-characters_1_AC.py
    │   ├── 1161_maximum-level-sum-of-a-binary-tree_1_AC.py
    │   ├── 1162_as-far-from-land-as-possible_1_AC.py
    │   ├── 1165_single-row-keyboard_1_AC.py
    │   ├── 1166_design-file-system_1_AC.py
    │   ├── 1167_minimum-cost-to-connect-sticks_1_AC.py
    │   ├── 1170_compare-strings-by-frequency-of-the-smallest-character_1_AC.py
    │   ├── 1171_remove-zero-sum-consecutive-nodes-from-linked-list_1_AC.py
    │   ├── 1175_prime-arrangements_1_AC.py
    │   ├── 1176_diet-plan-performance_1_AC.py
    │   ├── 1177_can-make-palindrome-from-substring_1_AC.py
    │   ├── 1180_count-substrings-with-only-one-distinct-letter_1_AC.py
    │   ├── 1181_before-and-after-puzzle_1_AC.py
    │   ├── 1182_shortest-distance-to-target-color_1_AC.py
    │   ├── 1184_distance-between-bus-stops_1_AC.py
    │   ├── 1185_day-of-the-week_1_AC.py
    │   ├── 1186_maximum-subarray-sum-with-one-deletion_1_AC.py
    │   ├── 1189_maximum-number-of-balloons_1_AC.py
    │   ├── 1190_reverse-substrings-between-each-pair-of-parentheses_1_AC.py
    │   ├── 1191_k-concatenation-maximum-sum_1_AC.py
    │   ├── 1196_how-many-apples-can-you-put-into-the-basket_1_AC.py
    │   ├── 1197_minimum-knight-moves_1_AC.py
    │   ├── 1198_find-smallest-common-element-in-all-rows_1_AC.py
    │   ├── 1200_minimum-absolute-difference_1_AC.py
    │   ├── 1201_ugly-number-iii_1_AC.py
    │   ├── 1202_smallest-string-with-swaps_1_AC.py
    │   ├── 1203_sort-items-by-groups-respecting-dependencies_1_AC.py
    │   ├── 1207_unique-number-of-occurrences_1_AC.py
    │   ├── 1208_get-equal-substrings-within-budget_1_AC.py
    │   ├── 1209_remove-all-adjacent-duplicates-in-string-ii_1_AC.py
    │   ├── 1213_intersection-of-three-sorted-arrays_1_AC.py
    │   ├── 1214_two-sum-bsts_1_AC.py
    │   ├── 1215_stepping-numbers_1_AC.py
    │   ├── 1217_minimum-cost-to-move-chips-to-the-same-position_1_AC.py
    │   ├── 1218_longest-arithmetic-subsequence-of-given-difference_1_AC.py
    │   ├── 1219_path-with-maximum-gold_1_AC.py
    │   ├── 1221_split-a-string-in-balanced-strings_1_AC.cpp
    │   ├── 1222_queens-that-can-attack-the-king_1_AC.py
    │   ├── 1223_dice-roll-simulation_1_AC.py
    │   ├── 1227_airplane-seat-assignment-probability_1_AC.py
    │   ├── 1228_missing-number-in-arithmetic-progression_1_AC.py
    │   ├── 1229_meeting-scheduler_1_AC.py
    │   ├── 1230_toss-strange-coins_1_AC.py
    │   ├── 1232_check-if-it-is-a-straight-line_1_AC.py
    │   ├── 1233_remove-sub-folders-from-the-filesystem_1_AC.py
    │   ├── 1236_web-crawler_1_AC.py
    │   ├── 1237_find-positive-integer-solution-for-a-given-equation_1_AC.py
    │   ├── 1238_circular-permutation-in-binary-representation_1_AC.py
    │   ├── 1239_maximum-length-of-a-concatenated-string-with-unique-characters_1_AC.py
    │   ├── 1243_array-transformation_1_AC.py
    │   ├── 1244_design-a-leaderboard_1_AC.cpp
    │   ├── 1245_tree-diameter_1_AC.py
    │   ├── 1247_minimum-swaps-to-make-strings-equal_1_AC.py
    │   ├── 1248_count-number-of-nice-subarrays_1_AC.py
    │   ├── 1249_minimum-remove-to-make-valid-parentheses_1_AC.py
    │   ├── 1252_cells-with-odd-values-in-a-matrix_1_AC.cpp
    │   ├── 1253_reconstruct-a-2-row-binary-matrix_1_AC.py
    │   ├── 1254_number-of-closed-islands_1_AC.py
    │   ├── 1255_maximum-score-words-formed-by-letters_1_AC.py
    │   ├── 1256_encode-number_1_AC.py
    │   ├── 1257_smallest-common-region_1_AC.py
    │   ├── 1258_synonymous-sentences_1_AC.py
    │   ├── 1260_shift-2d-grid_1_AC.py
    │   ├── 1261_find-elements-in-a-contaminated-binary-tree_1_AC.py
    │   ├── 1262_greatest-sum-divisible-by-three_1_AC.py
    │   ├── 1265_print-immutable-linked-list-in-reverse_1_AC.py
    │   ├── 1266_minimum-time-visiting-all-points_1_AC.cpp
    │   ├── 1267_count-servers-that-communicate_1_AC.py
    │   ├── 1267_count-servers-that-communicate_2_AC.py
    │   ├── 1268_search-suggestions-system_1_AC.py
    │   ├── 1271_hexspeak_1_AC.py
    │   ├── 1272_remove-interval_1_AC.py
    │   ├── 1273_delete-tree-nodes_1_AC.py
    │   ├── 1275_find-winner-on-a-tic-tac-toe-game_1_AC.py
    │   ├── 1276_number-of-burgers-with-no-waste-of-ingredients_1_AC.py
    │   ├── 1277_count-square-submatrices-with-all-ones_1_AC.py
    │   ├── 1277_count-square-submatrices-with-all-ones_2_AC.py
    │   ├── 1281_subtract-the-product-and-sum-of-digits-of-an-integer_1_AC.cpp
    │   ├── 1282_group-the-people-given-the-group-size-they-belong-to_1_AC.py
    │   ├── 1283_find-the-smallest-divisor-given-a-threshold_1_AC.py
    │   ├── 1284_minimum-number-of-flips-to-convert-binary-matrix-to-zero-matrix_1_AC.py
    │   ├── 1286_iterator-for-combination_1_AC.py
    │   ├── 1287_element-appearing-more-than-25-in-sorted-array_1_AC.py
    │   ├── 1288_remove-covered-intervals_1_AC.py
    │   ├── 1289_minimum-falling-path-sum-ii_1_AC.py
    │   ├── 1290_convert-binary-number-in-a-linked-list-to-integer_1_AC.cpp
    │   ├── 1291_sequential-digits_1_AC.py
    │   ├── 1292_maximum-side-length-of-a-square-with-sum-less-than-or-equal-to-threshold_1_AC.py
    │   ├── 1295_find-numbers-with-even-number-of-digits_1_AC.cpp
    │   ├── 1296_divide-array-in-sets-of-k-consecutive-numbers_1_AC.py
    │   ├── 1297_maximum-number-of-occurrences-of-a-substring_1_AC.py
    │   ├── 1299_replace-elements-with-greatest-element-on-right-side_1_AC.py
    │   ├── 1300_sum-of-mutated-array-closest-to-target_1_AC.py
    │   ├── 1302_deepest-leaves-sum_1_AC.py
    │   ├── 1304_find-n-unique-integers-sum-up-to-zero_1_AC.py
    │   ├── 1305_all-elements-in-two-binary-search-trees_1_AC.py
    │   ├── 1306_jump-game-iii_1_AC.py
    │   ├── 1309_decrypt-string-from-alphabet-to-integer-mapping_1_AC.py
    │   ├── 1310_xor-queries-of-a-subarray_1_AC.py
    │   ├── 1311_get-watched-videos-by-your-friends_1_AC.py
    │   ├── 1312_minimum-insertion-steps-to-make-a-string-palindrome_1_AC.py
    │   ├── 1313_decompress-run-length-encoded-list_1_AC.cpp
    │   ├── 1314_matrix-block-sum_1_AC.py
    │   ├── 1315_sum-of-nodes-with-even-valued-grandparent_1_AC.py
    │   ├── 1317_convert-integer-to-the-sum-of-two-no-zero-integers_1_AC.py
    │   ├── 1318_minimum-flips-to-make-a-or-b-equal-to-c_1_AC.py
    │   ├── 1319_number-of-operations-to-make-network-connected_1_AC.py
    │   ├── 1323_maximum-69-number_1_AC.cpp
    │   ├── 1324_print-words-vertically_1_AC.py
    │   ├── 1325_delete-leaves-with-a-given-value_1_AC.py
    │   ├── 1328_break-a-palindrome_1_AC.py
    │   ├── 1329_sort-the-matrix-diagonally_1_AC.py
    │   ├── 1331_rank-transform-of-an-array_1_AC.py
    │   ├── 1332_remove-palindromic-subsequences_1_AC.py
    │   ├── 1333_filter-restaurants-by-vegan-friendly-price-and-distance_1_AC.py
    │   ├── 1334_find-the-city-with-the-smallest-number-of-neighbors-at-a-threshold-distance_1_AC.py
    │   ├── 1337_the-k-weakest-rows-in-a-matrix_1_AC.py
    │   ├── 1338_reduce-array-size-to-the-half_1_AC.py
    │   ├── 1339_maximum-product-of-splitted-binary-tree_1_AC.py
    │   ├── 1340_jump-game-v_1_AC.py
    │   ├── 1342_number-of-steps-to-reduce-a-number-to-zero_1_AC.py
    │   ├── 1343_number-of-sub-arrays-of-size-k-and-average-greater-than-or-equal-to-threshold_1_AC.py
    │   ├── 1344_angle-between-hands-of-a-clock_1_AC.py
    │   ├── 1346_check-if-n-and-its-double-exist_1_AC.py
    │   ├── 1347_minimum-number-of-steps-to-make-two-strings-anagram_1_AC.py
    │   ├── 1351_count-negative-numbers-in-a-sorted-matrix_1_AC.py
    │   ├── 1351_count-negative-numbers-in-a-sorted-matrix_2_AC.py
    │   ├── 1352_product-of-the-last-k-numbers_1_AC.py
    │   ├── 1356_sort-integers-by-the-number-of-1-bits_1_AC.py
    │   ├── 1357_apply-discount-every-n-orders_1_AC.py
    │   ├── 1358_number-of-substrings-containing-all-three-characters_1_AC.py
    │   ├── 1359_count-all-valid-pickup-and-delivery-options_1_AC.py
    │   ├── 1360_number-of-days-between-two-dates_1_AC.py
    │   ├── 1361_validate-binary-tree-nodes_1_AC.py
    │   ├── 1362_closest-divisors_1_AC.py
    │   ├── 1365_how-many-numbers-are-smaller-than-the-current-number_1_AC.py
    │   ├── 1366_rank-teams-by-votes_1_AC.py
    │   ├── 1367_linked-list-in-binary-tree_1_AC.py
    │   ├── 1370_increasing-decreasing-string_1_AC.py
    │   ├── 1371_find-the-longest-substring-containing-vowels-in-even-counts_1_AC.py
    │   ├── 1372_longest-zigzag-path-in-a-binary-tree_1_AC.py
    │   ├── 1374_generate-a-string-with-characters-that-have-odd-counts_1_AC.py
    │   ├── 1375_number-of-times-binary-string-is-prefix-aligned_1_AC.py
    │   ├── 1376_time-needed-to-inform-all-employees_1_AC.py
    │   ├── 1379_find-a-corresponding-node-of-a-binary-tree-in-a-clone-of-that-tree_1_AC.py
    │   ├── 1380_lucky-numbers-in-a-matrix_1_AC.py
    │   ├── 1381_design-a-stack-with-increment-operation_1_AC.py
    │   ├── 1382_balance-a-binary-search-tree_1_AC.py
    │   ├── 1385_find-the-distance-value-between-two-arrays_1_AC.py
    │   ├── 1386_cinema-seat-allocation_1_AC.py
    │   ├── 1387_sort-integers-by-the-power-value_1_AC.py
    │   ├── 1389_create-target-array-in-the-given-order_1_AC.py
    │   ├── 1390_four-divisors_1_AC.py
    │   ├── 1391_check-if-there-is-a-valid-path-in-a-grid_1_AC.py
    │   ├── 1394_find-lucky-integer-in-an-array_1_AC.py
    │   ├── 1395_count-number-of-teams_1_AC.py
    │   ├── 1396_design-underground-system_1_AC.py
    │   ├── 1399_count-largest-group_1_AC.py
    │   ├── 1400_construct-k-palindrome-strings_1_AC.py
    │   ├── 1401_circle-and-rectangle-overlapping_1_AC.py
    │   ├── 1402_reducing-dishes_1_AC.py
    │   ├── 1402_reducing-dishes_2_AC.py
    │   ├── 1403_minimum-subsequence-in-non-increasing-order_1_AC.py
    │   ├── 1404_number-of-steps-to-reduce-a-number-in-binary-representation-to-one_1_AC.py
    │   ├── 1405_longest-happy-string_1_AC.py
    │   ├── 1406_stone-game-iii_1_AC.py
    │   ├── 1408_string-matching-in-an-array_1_AC.py
    │   ├── 1409_queries-on-a-permutation-with-key_1_AC.py
    │   ├── 1409_queries-on-a-permutation-with-key_2_AC.py
    │   ├── 1410_html-entity-parser_1_AC.py
    │   ├── 1411_number-of-ways-to-paint-n-3-grid_1_AC.py
    │   ├── 1413_minimum-value-to-get-positive-step-by-step-sum_1_AC.py
    │   ├── 1414_find-the-minimum-number-of-fibonacci-numbers-whose-sum-is-k_1_AC.py
    │   ├── 1415_the-k-th-lexicographical-string-of-all-happy-strings-of-length-n_1_AC.py
    │   ├── 1417_reformat-the-string_1_AC.py
    │   ├── 1418_display-table-of-food-orders-in-a-restaurant_1_AC.py
    │   ├── 1419_minimum-number-of-frogs-croaking_1_AC.py
    │   ├── 1420_build-array-where-you-can-find-the-maximum-exactly-k-comparisons_1_AC.py
    │   ├── 1422_maximum-score-after-splitting-a-string_1_AC.py
    │   ├── 1423_maximum-points-you-can-obtain-from-cards_1_AC.py
    │   ├── 1424_diagonal-traverse-ii_1_AC.py
    │   ├── 1426_counting-elements_1_AC.py
    │   ├── 1427_perform-string-shifts_1_AC.py
    │   ├── 1428_leftmost-column-with-at-least-a-one_1_AC.py
    │   ├── 1429_first-unique-number_1_AC.py
    │   ├── 1430_check-if-a-string-is-a-valid-sequence-from-root-to-leaves-path-in-a-binary-tree_1_AC.py
    │   ├── 1431_kids-with-the-greatest-number-of-candies_1_AC.py
    │   ├── 1433_check-if-a-string-can-break-another-string_1_AC.py
    │   ├── 1436_destination-city_1_AC.py
    │   ├── 1437_check-if-all-1s-are-at-least-length-k-places-away_1_AC.py
    │   ├── 1438_longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit_1_AC.py
    │   ├── 1441_build-an-array-with-stack-operations_1_AC.py
    │   ├── 1442_count-triplets-that-can-form-two-arrays-of-equal-xor_1_AC.py
    │   ├── 1443_minimum-time-to-collect-all-apples-in-a-tree_1_AC.py
    │   ├── 1446_consecutive-characters_1_AC.py
    │   ├── 1447_simplified-fractions_1_AC.py
    │   ├── 1448_count-good-nodes-in-binary-tree_1_AC.py
    │   ├── 1450_number-of-students-doing-homework-at-a-given-time_1_AC.py
    │   ├── 1451_rearrange-words-in-a-sentence_1_AC.py
    │   ├── 1452_people-whose-list-of-favorite-companies-is-not-a-subset-of-another-list_1_AC.py
    │   ├── 1455_check-if-a-word-occurs-as-a-prefix-of-any-word-in-a-sentence_1_AC.py
    │   ├── 1456_maximum-number-of-vowels-in-a-substring-of-given-length_1_AC.py
    │   ├── 1457_pseudo-palindromic-paths-in-a-binary-tree_1_AC.py
    │   ├── 1460_make-two-arrays-equal-by-reversing-subarrays_1_AC.py
    │   ├── 1461_check-if-a-string-contains-all-binary-codes-of-size-k_1_AC.py
    │   ├── 1462_course-schedule-iv_1_AC.py
    │   ├── 1463_cherry-pickup-ii_1_AC.py
    │   ├── 1464_maximum-product-of-two-elements-in-an-array_1_AC.py
    │   ├── 1466_reorder-routes-to-make-all-paths-lead-to-the-city-zero_1_AC.py
    │   ├── 1469_find-all-the-lonely-nodes_1_AC.py
    │   ├── 1470_shuffle-the-array_1_AC.py
    │   ├── 1471_the-k-strongest-values-in-an-array_1_AC.py
    │   ├── 1472_design-browser-history_1_AC.py
    │   ├── 1474_delete-n-nodes-after-m-nodes-of-a-linked-list_1_AC.py
    │   ├── 1475_final-prices-with-a-special-discount-in-a-shop_1_AC.py
    │   ├── 1476_subrectangle-queries_1_AC.py
    │   ├── 1480_running-sum-of-1d-array_1_AC.py
    │   ├── 1481_least-number-of-unique-integers-after-k-removals_1_AC.py
    │   ├── 1482_minimum-number-of-days-to-make-m-bouquets_1_AC.py
    │   ├── 1485_clone-binary-tree-with-random-pointer_1_AC.py
    │   ├── 1486_xor-operation-in-an-array_1_AC.py
    │   ├── 1489_find-critical-and-pseudo-critical-edges-in-minimum-spanning-tree_1_AC.py
    │   ├── 1490_clone-n-ary-tree_1_AC.py
    │   ├── 1491_average-salary-excluding-the-minimum-and-maximum-salary_1_AC.py
    │   ├── 1492_the-kth-factor-of-n_1_AC.py
    │   ├── 1493_longest-subarray-of-1s-after-deleting-one-element_1_AC.py
    │   └── 1496_path-crossing_1_AC.py
    ├── 1501-2000
    │   ├── 1502_can-make-arithmetic-progression-from-sequence_1_AC.py
    │   ├── 1503_last-moment-before-all-ants-fall-out-of-a-plank_1_AC.py
    │   ├── 1504_count-submatrices-with-all-ones_1_AC.py
    │   ├── 1506_find-root-of-n-ary-tree_1_AC.py
    │   ├── 1507_reformat-date_1_AC.py
    │   ├── 1508_range-sum-of-sorted-subarray-sums_1_AC.py
    │   ├── 1509_minimum-difference-between-largest-and-smallest-value-in-three-moves_1_AC.py
    │   ├── 1512_number-of-good-pairs_1_AC.py
    │   ├── 1514_path-with-maximum-probability_1_AC.py
    │   ├── 1518_water-bottles_1_AC.py
    │   ├── 1519_number-of-nodes-in-the-sub-tree-with-the-same-label_1_AC.py
    │   ├── 1522_diameter-of-n-ary-tree_1_AC.py
    │   ├── 1523_count-odd-numbers-in-an-interval-range_1_AC.py
    │   ├── 1525_number-of-good-ways-to-split-a-string_1_AC.py
    │   ├── 1526_minimum-number-of-increments-on-subarrays-to-form-a-target-array_1_AC.py
    │   ├── 1528_shuffle-string_1_AC.py
    │   ├── 1529_minimum-suffix-flips_1_AC.py
    │   ├── 1530_number-of-good-leaf-nodes-pairs_1_AC.py
    │   ├── 1534_count-good-triplets_1_AC.py
    │   ├── 1535_find-the-winner-of-an-array-game_1_AC.py
    │   ├── 1539_kth-missing-positive-number_1_AC.py
    │   ├── 1541_minimum-insertions-to-balance-a-parentheses-string_1_AC.py
    │   ├── 1544_make-the-string-great_1_AC.py
    │   ├── 1545_find-kth-bit-in-nth-binary-string_1_AC.py
    │   ├── 1550_three-consecutive-odds_1_AC.py
    │   ├── 1551_minimum-operations-to-make-array-equal_1_AC.py
    │   ├── 1552_magnetic-force-between-two-balls_1_AC.py
    │   ├── 1556_thousand-separator_1_AC.py
    │   ├── 1557_minimum-number-of-vertices-to-reach-all-nodes_1_AC.py
    │   ├── 1558_minimum-numbers-of-function-calls-to-make-target-array_1_AC.py
    │   ├── 1560_most-visited-sector-in-a-circular-track_1_AC.py
    │   ├── 1561_maximum-number-of-coins-you-can-get_1_AC.py
    │   ├── 1566_detect-pattern-of-length-m-repeated-k-or-more-times_1_AC.py
    │   ├── 1566_detect-pattern-of-length-m-repeated-k-or-more-times_2_AC.py
    │   ├── 1570_dot-product-of-two-sparse-vectors_1_AC.py
    │   ├── 1572_matrix-diagonal-sum_1_AC.py
    │   ├── 1574_shortest-subarray-to-be-removed-to-make-array-sorted_1_AC.py
    │   ├── 1574_shortest-subarray-to-be-removed-to-make-array-sorted_2_AC.py
    │   ├── 1575_count-all-possible-routes_1_AC.py
    │   ├── 1576_replace-all-s-to-avoid-consecutive-repeating-characters_1_AC.py
    │   ├── 1578_minimum-time-to-make-rope-colorful_1_AC.py
    │   ├── 1579_remove-max-number-of-edges-to-keep-graph-fully-traversable_1_AC.py
    │   ├── 1582_special-positions-in-a-binary-matrix_1_AC.py
    │   ├── 1583_count-unhappy-friends_1_AC.py
    │   ├── 1584_min-cost-to-connect-all-points_1_AC.py
    │   ├── 1588_sum-of-all-odd-length-subarrays_1_AC.py
    │   ├── 1588_sum-of-all-odd-length-subarrays_2_AC.py
    │   ├── 1592_rearrange-spaces-between-words_1_AC.py
    │   ├── 1593_split-a-string-into-the-max-number-of-unique-substrings_1_AC.py
    │   ├── 1598_crawler-log-folder_1_AC.py
    │   ├── 1600_throne-inheritance_1_AC.py
    │   ├── 1601_maximum-number-of-achievable-transfer-requests_1_AC.py
    │   ├── 1602_find-nearest-right-node-in-binary-tree_1_AC.py
    │   ├── 1603_design-parking-system_1_AC.py
    │   ├── 1605_find-valid-matrix-given-row-and-column-sums_1_AC.py
    │   ├── 1608_special-array-with-x-elements-greater-than-or-equal-x_1_AC.py
    │   ├── 1609_even-odd-tree_1_AC.py
    │   ├── 1611_minimum-one-bit-operations-to-make-integers-zero_1_AC.py
    │   ├── 1612_check-if-two-expression-trees-are-equivalent_1_AC.py
    │   ├── 1614_maximum-nesting-depth-of-the-parentheses_1_AC.py
    │   ├── 1615_maximal-network-rank_1_AC.py
    │   ├── 1617_count-subtrees-with-max-distance-between-cities_1_AC.py
    │   ├── 1619_mean-of-array-after-removing-some-elements_1_AC.py
    │   ├── 1624_largest-substring-between-two-equal-characters_1_AC.py
    │   ├── 1625_lexicographically-smallest-string-after-applying-operations_1_AC.py
    │   ├── 1628_design-an-expression-tree-with-evaluate-function_1_AC.py
    │   ├── 1629_slowest-key_1_AC.py
    │   ├── 1630_arithmetic-subarrays_1_AC.py
    │   ├── 1631_path-with-minimum-effort_1_AC.py
    │   ├── 1636_sort-array-by-increasing-frequency_1_AC.py
    │   ├── 1637_widest-vertical-area-between-two-points-containing-no-points_1_AC.py
    │   ├── 1638_count-substrings-that-differ-by-one-character_1_AC.py
    │   ├── 1640_check-array-formation-through-concatenation_1_AC.py
    │   ├── 1641_count-sorted-vowel-strings_1_AC.py
    │   ├── 1646_get-maximum-in-generated-array_1_AC.py
    │   ├── 1647_minimum-deletions-to-make-character-frequencies-unique_1_AC.py
    │   ├── 1650_lowest-common-ancestor-of-a-binary-tree-iii_1_AC.py
    │   ├── 1652_defuse-the-bomb_1_AC.py
    │   ├── 1653_minimum-deletions-to-make-string-balanced_1_AC.py
    │   ├── 1656_design-an-ordered-stream_1_AC.py
    │   ├── 1657_determine-if-two-strings-are-close_1_AC.py
    │   ├── 1660_correct-a-binary-tree_1_AC.py
    │   ├── 1662_check-if-two-string-arrays-are-equivalent_1_AC.py
    │   ├── 1663_smallest-string-with-a-given-numeric-value_1_AC.py
    │   ├── 1664_ways-to-make-a-fair-array_1_AC.py
    │   ├── 1668_maximum-repeating-substring_1_AC.py
    │   ├── 1669_merge-in-between-linked-lists_1_AC.py
    │   ├── 1670_design-front-middle-back-queue_1_AC.py
    │   ├── 1672_richest-customer-wealth_1_AC.py
    │   ├── 1673_find-the-most-competitive-subsequence_1_AC.py
    │   ├── 1676_lowest-common-ancestor-of-a-binary-tree-iv_1_AC.py
    │   ├── 1678_goal-parser-interpretation_1_AC.py
    │   ├── 1679_max-number-of-k-sum-pairs_1_AC.py
    │   ├── 1680_concatenation-of-consecutive-binary-numbers_1_AC.py
    │   ├── 1684_count-the-number-of-consistent-strings_1_AC.py
    │   ├── 1685_sum-of-absolute-differences-in-a-sorted-array_1_AC.py
    │   ├── 1686_stone-game-vi_1_AC.py
    │   ├── 1688_count-of-matches-in-tournament_1_AC.py
    │   ├── 1689_partitioning-into-minimum-number-of-deci-binary-numbers_1_AC.py
    │   ├── 1690_stone-game-vii_1_AC.py
    │   ├── 1694_reformat-phone-number_1_AC.py
    │   ├── 1695_maximum-erasure-value_1_AC.py
    │   ├── 1700_number-of-students-unable-to-eat-lunch_1_AC.py
    │   ├── 1701_average-waiting-time_1_AC.py
    │   ├── 1704_determine-if-string-halves-are-alike_1_AC.py
    │   ├── 1706_where-will-the-ball-fall_1_AC.py
    │   ├── 1708_largest-subarray-length-k_1_AC.py
    │   ├── 1710_maximum-units-on-a-truck_1_AC.py
    │   ├── 1716_calculate-money-in-leetcode-bank_1_AC.py
    │   ├── 1717_maximum-score-from-removing-substrings_1_AC.py
    │   ├── 1718_construct-the-lexicographically-largest-valid-sequence_1_AC.py
    │   ├── 1720_decode-xored-array_1_AC.py
    │   ├── 1721_swapping-nodes-in-a-linked-list_1_AC.py
    │   ├── 1725_number-of-rectangles-that-can-form-the-largest-square_1_AC.py
    │   ├── 1726_tuple-with-same-product_1_AC.py
    │   ├── 1727_largest-submatrix-with-rearrangements_1_AC.py
    │   ├── 1732_find-the-highest-altitude_1_AC.py
    │   ├── 1734_decode-xored-permutation_1_AC.py
    │   ├── 1736_latest-time-by-replacing-hidden-digits_1_AC.py
    │   ├── 1738_find-kth-largest-xor-coordinate-value_1_AC.py
    │   ├── 1740_find-distance-in-a-binary-tree_1_AC.py
    │   ├── 1742_maximum-number-of-balls-in-a-box_1_AC.py
    │   ├── 1743_restore-the-array-from-adjacent-pairs_1_AC.py
    │   ├── 1748_sum-of-unique-elements_1_AC.py
    │   ├── 1749_maximum-absolute-sum-of-any-subarray_1_AC.py
    │   ├── 1750_minimum-length-of-string-after-deleting-similar-ends_1_AC.py
    │   ├── 1752_check-if-array-is-sorted-and-rotated_1_AC.py
    │   ├── 1753_maximum-score-from-removing-stones_1_AC.py
    │   ├── 1756_design-most-recently-used-queue_1_AC.py
    │   ├── 1758_minimum-changes-to-make-alternating-binary-string_1_AC.py
    │   ├── 1759_count-number-of-homogenous-substrings_1_AC.py
    │   ├── 1760_minimum-limit-of-balls-in-a-bag_1_AC.py
    │   ├── 1762_buildings-with-an-ocean-view_1_AC.py
    │   ├── 1763_longest-nice-substring_1_AC.py
    │   ├── 1764_form-array-by-concatenating-subarrays-of-another-array_1_AC.py
    │   ├── 1765_map-of-highest-peak_1_AC.py
    │   ├── 1768_merge-strings-alternately_1_AC.py
    │   ├── 1769_minimum-number-of-operations-to-move-all-balls-to-each-box_1_AC.py
    │   ├── 1773_count-items-matching-a-rule_1_AC.py
    │   ├── 1775_equal-sum-arrays-with-minimum-number-of-operations_1_AC.py
    │   ├── 1779_find-nearest-point-that-has-the-same-x-or-y-coordinate_1_AC.py
    │   ├── 1780_check-if-number-is-a-sum-of-powers-of-three_1_AC.py
    │   ├── 1781_sum-of-beauty-of-all-substrings_1_AC.py
    │   ├── 1784_check-if-binary-string-has-at-most-one-segment-of-ones_1_AC.py
    │   ├── 1790_check-if-one-string-swap-can-make-strings-equal_1_AC.py
    │   ├── 1791_find-center-of-star-graph_1_AC.py
    │   ├── 1792_maximum-average-pass-ratio_1_AC.py
    │   ├── 1793_maximum-score-of-a-good-subarray_1_AC.py
    │   ├── 1796_second-largest-digit-in-a-string_1_AC.py
    │   ├── 1797_design-authentication-manager_1_AC.py
    │   ├── 1798_maximum-number-of-consecutive-values-you-can-make_1_AC.py
    │   ├── 1800_maximum-ascending-subarray-sum_1_AC.py
    │   ├── 1801_number-of-orders-in-the-backlog_1_AC.py
    │   ├── 1805_number-of-different-integers-in-a-string_1_AC.py
    │   ├── 1806_minimum-number-of-operations-to-reinitialize-a-permutation_1_AC.py
    │   ├── 1807_evaluate-the-bracket-pairs-of-a-string_1_AC.py
    │   ├── 1812_determine-color-of-a-chessboard-square_1_AC.py
    │   ├── 1816_truncate-sentence_1_AC.py
    │   ├── 1817_finding-the-users-active-minutes_1_AC.py
    │   ├── 1822_sign-of-the-product-of-an-array_1_AC.py
    │   ├── 1823_find-the-winner-of-the-circular-game_1_AC.py
    │   ├── 1826_faulty-sensor_1_AC.py
    │   ├── 1827_minimum-operations-to-make-the-array-increasing_1_AC.py
    │   ├── 1828_queries-on-number-of-points-inside-a-circle_1_AC.py
    │   ├── 1829_maximum-xor-for-each-query_1_AC.py
    │   ├── 1832_check-if-the-sentence-is-pangram_1_AC.py
    │   ├── 1833_maximum-ice-cream-bars_1_AC.py
    │   ├── 1836_remove-duplicates-from-an-unsorted-linked-list_1_AC.py
    │   ├── 1837_sum-of-digits-in-base-k_1_AC.py
    │   ├── 1839_longest-substring-of-all-vowels-in-order_1_AC.py
    │   ├── 1844_replace-all-digits-with-characters_1_AC.py
    │   ├── 1845_seat-reservation-manager_1_AC.py
    │   ├── 1846_maximum-element-after-decreasing-and-rearranging_1_AC.py
    │   ├── 1848_minimum-distance-to-the-target-element_1_AC.py
    │   ├── 1850_minimum-adjacent-swaps-to-reach-the-kth-smallest-number_1_AC.py
    │   ├── 1852_distinct-numbers-in-each-subarray_1_AC.py
    │   ├── 1854_maximum-population-year_1_AC.py
    │   ├── 1855_maximum-distance-between-a-pair-of-values_1_AC.py
    │   ├── 1859_sorting-the-sentence_1_AC.py
    │   ├── 1860_incremental-memory-leak_1_AC.py
    │   ├── 1861_rotating-the-box_1_AC.py
    │   ├── 1863_sum-of-all-subset-xor-totals_1_AC.py
    │   ├── 1865_finding-pairs-with-a-certain-sum_1_AC.py
    │   ├── 1869_longer-contiguous-segments-of-ones-than-zeros_1_AC.py
    │   ├── 1874_minimize-product-sum-of-two-arrays_1_AC.py
    │   ├── 1876_substrings-of-size-three-with-distinct-characters_1_AC.py
    │   ├── 1877_minimize-maximum-pair-sum-in-array_1_AC.py
    │   ├── 1880_check-if-word-equals-summation-of-two-words_1_AC.py
    │   ├── 1884_egg-drop-with-2-eggs-and-n-floors_1_AC.py
    │   ├── 1886_determine-whether-matrix-can-be-obtained-by-rotation_1_AC.py
    │   ├── 1887_reduction-operations-to-make-the-array-elements-equal_1_AC.py
    │   ├── 1893_check-if-all-the-integers-in-a-range-are-covered_1_AC.py
    │   ├── 1894_find-the-student-that-will-replace-the-chalk_1_AC.py
    │   ├── 1895_largest-magic-square_1_AC.py
    │   ├── 1897_redistribute-characters-to-make-all-strings-equal_1_AC.py
    │   ├── 1899_merge-triplets-to-form-target-triplet_1_AC.py
    │   ├── 1901_find-a-peak-element-ii_1_AC.py
    │   ├── 1903_largest-odd-number-in-string_1_AC.py
    │   ├── 1905_count-sub-islands_1_AC.py
    │   ├── 1909_remove-one-element-to-make-the-array-strictly-increasing_1_AC.py
    │   ├── 1910_remove-all-occurrences-of-a-substring_1_AC.py
    │   ├── 1911_maximum-alternating-subsequence-sum_1_AC.py
    │   ├── 1913_maximum-product-difference-between-two-pairs_1_AC.py
    │   ├── 1915_number-of-wonderful-substrings_1_AC.py
    │   ├── 1920_build-array-from-permutation_1_AC.py
    │   ├── 1921_eliminate-maximum-number-of-monsters_1_AC.py
    │   ├── 1925_count-square-sum-triples_1_AC.py
    │   ├── 1929_concatenation-of-array_1_AC.py
    │   ├── 1930_unique-length-3-palindromic-subsequences_1_AC.py
    │   ├── 1933_check-if-string-is-decomposable-into-value-equal-substrings_1_AC.py
    │   ├── 1935_maximum-number-of-words-you-can-type_1_AC.py
    │   ├── 1940_longest-common-subsequence-between-sorted-arrays_1_AC.py
    │   ├── 1941_check-if-all-characters-have-equal-number-of-occurrences_1_AC.py
    │   ├── 1942_the-number-of-the-smallest-unoccupied-chair_1_AC.py
    │   ├── 1943_describe-the-painting_1_AC.py
    │   ├── 1944_number-of-visible-people-in-a-queue_1_AC.py
    │   ├── 1945_sum-of-digits-of-string-after-convert_1_AC.py
    │   ├── 1947_maximum-compatibility-score-sum_1_AC.py
    │   ├── 1952_three-divisors_1_AC.py
    │   ├── 1954_minimum-garden-perimeter-to-collect-enough-apples_1_AC.py
    │   ├── 1957_delete-characters-to-make-fancy-string_1_AC.py
    │   ├── 1961_check-if-string-is-a-prefix-of-array_1_AC.py
    │   ├── 1962_remove-stones-to-minimize-the-total_1_AC.py
    │   ├── 1963_minimum-number-of-swaps-to-make-the-string-balanced_1_AC.py
    │   ├── 1964_find-the-longest-valid-obstacle-course-at-each-position_1_AC.py
    │   ├── 1967_number-of-strings-that-appear-as-substrings-in-word_1_AC.py
    │   ├── 1968_array-with-elements-not-equal-to-average-of-neighbors_1_AC.py
    │   ├── 1971_find-if-path-exists-in-graph_1_AC.py
    │   ├── 1973_count-nodes-equal-to-sum-of-descendants_1_AC.py
    │   ├── 1974_minimum-time-to-type-word-using-special-typewriter_1_AC.py
    │   ├── 1975_maximum-matrix-sum_1_AC.py
    │   ├── 1979_find-greatest-common-divisor-of-array_1_AC.py
    │   ├── 1980_find-unique-binary-string_1_AC.py
    │   ├── 1984_minimum-difference-between-highest-and-lowest-of-k-scores_1_AC.py
    │   ├── 1991_find-the-middle-index-in-array_1_AC.py
    │   ├── 1992_find-all-groups-of-farmland_1_AC.py
    │   ├── 1995_count-special-quadruplets_1_AC.py
    │   └── 2000_reverse-prefix-of-word_1_AC.py
    ├── 2001-2500
    │   ├── 2001_number-of-pairs-of-interchangeable-rectangles_1_AC.py
    │   ├── 2002_maximum-product-of-the-length-of-two-palindromic-subsequences_1_AC.py
    │   ├── 2006_count-number-of-pairs-with-absolute-difference-k_1_AC.py
    │   ├── 2011_final-value-of-variable-after-performing-operations_1_AC.py
    │   ├── 2013_detect-squares_1_AC.py
    │   ├── 2016_maximum-difference-between-increasing-elements_1_AC.py
    │   ├── 2022_convert-1d-array-into-2d-array_1_AC.py
    │   ├── 2023_number-of-pairs-of-strings-with-concatenation-equal-to-target_1_AC.py
    │   ├── 2024_maximize-the-confusion-of-an-exam_1_AC.py
    │   ├── 2027_minimum-moves-to-convert-string_1_AC.py
    │   ├── 2028_find-missing-observations_1_AC.py
    │   ├── 2032_two-out-of-three_1_AC.py
    │   ├── 2033_minimum-operations-to-make-a-uni-value-grid_1_AC.py
    │   ├── 2037_minimum-number-of-moves-to-seat-everyone_1_AC.py
    │   ├── 2038_remove-colored-pieces-if-both-neighbors-are-the-same-color_1_AC.py
    │   ├── 2039_the-time-when-the-network-becomes-idle_1_AC.py
    │   ├── 2042_check-if-numbers-are-ascending-in-a-sentence_1_AC.py
    │   ├── 2043_simple-bank-system_1_AC.py
    │   ├── 2044_count-number-of-maximum-bitwise-or-subsets_1_AC.py
    │   ├── 2045_second-minimum-time-to-reach-destination_1_AC.py
    │   ├── 2046_sort-linked-list-already-sorted-using-absolute-values_1_AC.py
    │   ├── 2047_number-of-valid-words-in-a-sentence_1_AC.py
    │   ├── 2049_count-nodes-with-the-highest-score_1_AC.py
    │   ├── 2050_parallel-courses-iii_1_AC.py
    │   ├── 2053_kth-distinct-string-in-an-array_1_AC.py
    │   ├── 2054_two-best-non-overlapping-events_1_AC.py
    │   ├── 2057_smallest-index-with-equal-value_1_AC.py
    │   ├── 2058_find-the-minimum-and-maximum-number-of-nodes-between-critical-points_1_AC.py
    │   ├── 2062_count-vowel-substrings-of-a-string_1_AC.py
    │   ├── 2063_vowels-of-all-substrings_1_AC.py
    │   ├── 2064_minimized-maximum-of-products-distributed-to-any-store_1_AC.py
    │   ├── 2068_check-whether-two-strings-are-almost-equivalent_1_AC.py
    │   ├── 2070_most-beautiful-item-for-each-query_1_AC.py
    │   ├── 2073_time-needed-to-buy-tickets_1_AC.py
    │   ├── 2073_time-needed-to-buy-tickets_2_AC.py
    │   ├── 2074_reverse-nodes-in-even-length-groups_1_AC.py
    │   ├── 2078_two-furthest-houses-with-different-colors_1_AC.py
    │   ├── 2079_watering-plants_1_AC.py
    │   ├── 2083_substrings-that-begin-and-end-with-the-same-letter_1_AC.py
    │   ├── 2085_count-common-words-with-one-occurrence_1_AC.py
    │   ├── 2087_minimum-cost-homecoming-of-a-robot-in-a-grid_1_AC.py
    │   ├── 2088_count-fertile-pyramids-in-a-land_1_AC.py
    │   ├── 2089_find-target-indices-after-sorting-array_1_AC.py
    │   ├── 2091_removing-minimum-and-maximum-from-array_1_AC.py
    │   ├── 2094_finding-3-digit-even-numbers_1_AC.py
    │   ├── 2095_delete-the-middle-node-of-a-linked-list_1_AC.py
    │   ├── 2096_step-by-step-directions-from-a-binary-tree-node-to-another_1_AC.py
    │   ├── 2097_valid-arrangement-of-pairs_1_AC.py
    │   ├── 2099_find-subsequence-of-length-k-with-the-largest-sum_1_AC.py
    │   ├── 2102_sequentially-ordinal-rank-tracker_1_AC.py
    │   ├── 2103_rings-and-rods_1_AC.py
    │   ├── 2104_sum-of-subarray-ranges_1_AC.py
    │   ├── 2108_find-first-palindromic-string-in-the-array_1_AC.py
    │   ├── 2109_adding-spaces-to-a-string_1_AC.py
    │   ├── 2110_number-of-smooth-descent-periods-of-a-stock_1_AC.py
    │   ├── 2113_elements-in-array-after-removing-and-replacing-elements_1_AC.py
    │   ├── 2114_maximum-number-of-words-found-in-sentences_1_AC.py
    │   ├── 2115_find-all-possible-recipes-from-given-supplies_1_AC.py
    │   ├── 2119_a-number-after-a-double-reversal_1_AC.py
    │   ├── 2120_execution-of-all-suffix-instructions-staying-in-a-grid_1_AC.py
    │   ├── 2124_check-if-all-as-appears-before-all-bs_1_AC.py
    │   ├── 2125_number-of-laser-beams-in-a-bank_1_AC.py
    │   ├── 2126_destroying-asteroids_1_AC.py
    │   ├── 2129_capitalize-the-title_1_AC.py
    │   ├── 2130_maximum-twin-sum-of-a-linked-list_1_AC.py
    │   ├── 2133_check-if-every-row-and-column-contains-all-numbers_1_AC.py
    │   ├── 2134_minimum-swaps-to-group-all-1s-together-ii_1_AC.py
    │   ├── 2136_earliest-possible-day-of-full-bloom_1_AC.py
    │   ├── 2138_divide-a-string-into-groups-of-size-k_1_AC.py
    │   ├── 2139_minimum-moves-to-reach-target-score_1_AC.py
    │   ├── 2140_solving-questions-with-brainpower_1_AC.py
    │   ├── 2144_minimum-cost-of-buying-candies-with-discount_1_AC.py
    │   ├── 2148_count-elements-with-strictly-smaller-and-greater-elements_1_AC.py
    │   ├── 2149_rearrange-array-elements-by-sign_1_AC.py
    │   ├── 2150_find-all-lonely-numbers-in-the-array_1_AC.py
    │   ├── 2154_keep-multiplying-found-values-by-two_1_AC.py
    │   ├── 2155_all-divisions-with-the-highest-score-of-a-binary-array_1_AC.py
    │   ├── 2160_minimum-sum-of-four-digit-number-after-splitting-digits_1_AC.py
    │   ├── 2161_partition-array-according-to-given-pivot_1_AC.py
    │   ├── 2164_sort-even-and-odd-indices-independently_1_AC.py
    │   ├── 2165_smallest-value-of-the-rearranged-number_1_AC.py
    │   ├── 2169_count-operations-to-obtain-zero_1_AC.py
    │   ├── 2176_count-equal-and-divisible-pairs-in-an-array_1_AC.py
    │   ├── 2177_find-three-consecutive-integers-that-sum-to-a-given-number_1_AC.py
    │   ├── 2178_maximum-split-of-positive-even-integers_1_AC.py
    │   ├── 2180_count-integers-with-even-digit-sum_1_AC.py
    │   ├── 2181_merge-nodes-in-between-zeros_1_AC.py
    │   ├── 2182_construct-string-with-repeat-limit_1_AC.py
    │   ├── 2185_counting-words-with-a-given-prefix_1_AC.py
    │   ├── 2186_minimum-number-of-steps-to-make-two-strings-anagram-ii_1_AC.py
    │   ├── 2190_most-frequent-number-following-key-in-an-array_1_AC.py
    │   ├── 2191_sort-the-jumbled-numbers_1_AC.py
    │   ├── 2192_all-ancestors-of-a-node-in-a-directed-acyclic-graph_1_AC.py
    │   ├── 2194_cells-in-a-range-on-an-excel-sheet_1_AC.py
    │   ├── 2196_create-binary-tree-from-descriptions_1_AC.py
    │   ├── 2200_find-all-k-distant-indices-in-an-array_1_AC.py
    │   ├── 2201_count-artifacts-that-can-be-extracted_1_AC.py
    │   ├── 2206_divide-array-into-equal-pairs_1_AC.py
    │   ├── 2210_count-hills-and-valleys-in-an-array_1_AC.py
    │   ├── 2215_find-the-difference-of-two-arrays_1_AC.py
    │   ├── 2220_minimum-bit-flips-to-convert-number_1_AC.py
    │   ├── 2221_find-triangular-sum-of-an-array_1_AC.py
    │   ├── 2222_number-of-ways-to-select-buildings_1_AC.py
    │   ├── 2224_minimum-number-of-operations-to-convert-time_1_AC.py
    │   ├── 2225_find-players-with-zero-or-one-losses_1_AC.py
    │   ├── 2231_largest-number-after-digit-swaps-by-parity_1_AC.py
    │   ├── 2232_minimize-result-by-adding-parentheses-to-expression_1_AC.py
    │   ├── 2235_add-two-integers_1_AC.py
    │   ├── 2236_root-equals-sum-of-children_1_AC.py
    │   ├── 2239_find-closest-number-to-zero_1_AC.py
    │   ├── 2240_number-of-ways-to-buy-pens-and-pencils_1_AC.py
    │   ├── 2243_calculate-digit-sum-of-a-string_1_AC.py
    │   ├── 2244_minimum-rounds-to-complete-all-tasks_1_AC.py
    │   ├── 2248_intersection-of-multiple-arrays_1_AC.py
    │   ├── 2249_count-lattice-points-inside-a-circle_1_AC.py
    │   ├── 2255_count-prefixes-of-a-given-string_1_AC.py
    │   ├── 2257_count-unguarded-cells-in-the-grid_1_AC.py
    │   ├── 2259_remove-digit-from-number-to-maximize-result_1_AC.py
    │   ├── 2260_minimum-consecutive-cards-to-pick-up_1_AC.py
    │   ├── 2261_k-divisible-elements-subarrays_1_AC.py
    │   ├── 2264_largest-3-same-digit-number-in-string_1_AC.py
    │   ├── 2265_count-nodes-equal-to-average-of-subtree_1_AC.py
    │   ├── 2269_find-the-k-beauty-of-a-number_1_AC.py
    │   ├── 2273_find-resultant-array-after-removing-anagrams_1_AC.py
    │   ├── 2274_maximum-consecutive-floors-without-special-floors_1_AC.py
    │   ├── 2275_largest-combination-with-bitwise-and-greater-than-zero_1_AC.py
    │   ├── 2278_percentage-of-letter-in-string_1_AC.py
    │   ├── 2279_maximum-bags-with-full-capacity-of-rocks_1_AC.py
    │   ├── 2283_check-if-number-has-equal-digit-count-and-digit-value_1_AC.py
    │   ├── 2284_sender-with-largest-word-count_1_AC.py
    │   ├── 2285_maximum-total-importance-of-roads_1_AC.py
    │   ├── 2287_rearrange-characters-to-make-target-string_1_AC.py
    │   ├── 2290_minimum-obstacle-removal-to-reach-corner_1_AC.py
    │   ├── 2293_min-max-game_1_AC.py
    │   ├── 2294_partition-array-such-that-maximum-difference-is-k_1_AC.py
    │   ├── 2295_replace-elements-in-an-array_1_AC.py
    │   ├── 2299_strong-password-checker-ii_1_AC.py
    │   ├── 2303_calculate-amount-paid-in-taxes_1_AC.py
    │   ├── 2304_minimum-path-cost-in-a-grid_1_AC.py
    │   ├── 2305_fair-distribution-of-cookies_1_AC.py
    │   ├── 2309_greatest-english-letter-in-upper-and-lower-case_1_AC.py
    │   ├── 2315_count-asterisks_1_AC.py
    │   ├── 2317_maximum-xor-after-operations_1_AC.py
    │   ├── 2319_check-if-matrix-is-x-matrix_1_AC.py
    │   ├── 2325_decode-the-message_1_AC.py
    │   ├── 2326_spiral-matrix-iv_1_AC.py
    │   ├── 2331_evaluate-boolean-binary-tree_1_AC.py
    │   ├── 2335_minimum-amount-of-time-to-fill-cups_1_AC.py
    │   ├── 2336_smallest-number-in-infinite-set_1_AC.py
    │   ├── 2337_move-pieces-to-obtain-a-string_1_AC.py
    │   ├── 2341_maximum-number-of-pairs-in-array_1_AC.py
    │   ├── 2342_max-sum-of-a-pair-with-equal-sum-of-digits_1_AC.py
    │   ├── 2347_best-poker-hand_1_AC.py
    │   ├── 2348_number-of-zero-filled-subarrays_1_AC.py
    │   ├── 2350_shortest-impossible-sequence-of-rolls_1_AC.py
    │   ├── 2351_first-letter-to-appear-twice_1_AC.py
    │   ├── 2352_equal-row-and-column-pairs_1_AC.py
    │   ├── 2357_make-array-zero-by-subtracting-equal-amounts_1_AC.py
    │   ├── 2358_maximum-number-of-groups-entering-a-competition_1_AC.py
    │   ├── 2363_merge-similar-items_1_AC.py
    │   ├── 2365_task-scheduler-ii_1_AC.py
    │   ├── 2367_number-of-arithmetic-triplets_1_AC.py
    │   ├── 2368_reachable-nodes-with-restrictions_1_AC.py
    │   ├── 2369_check-if-there-is-a-valid-partition-for-the-array_1_AC.py
    │   ├── 2373_largest-local-values-in-a-matrix_1_AC.py
    │   ├── 2375_construct-smallest-number-from-di-string_1_AC.py
    │   ├── 2379_minimum-recolors-to-get-k-consecutive-black-blocks_1_AC.py
    │   ├── 2380_time-needed-to-rearrange-a-binary-string_1_AC.py
    │   ├── 2383_minimum-hours-of-training-to-win-a-competition_1_AC.py
    │   ├── 2385_amount-of-time-for-binary-tree-to-be-infected_1_AC.py
    │   ├── 2389_longest-subsequence-with-limited-sum_1_AC.py
    │   ├── 2390_removing-stars-from-a-string_1_AC.py
    │   ├── 2391_minimum-amount-of-time-to-collect-garbage_1_AC.py
    │   ├── 2392_build-a-matrix-with-conditions_1_AC.py
    │   ├── 2395_find-subarrays-with-equal-sum_1_AC.py
    │   ├── 2396_strictly-palindromic-number_1_AC.py
    │   ├── 2397_maximum-rows-covered-by-columns_1_AC.py
    │   ├── 2399_check-distances-between-same-letters_1_AC.py
    │   ├── 2401_longest-nice-subarray_1_AC.py
    │   ├── 2404_most-frequent-even-element_1_AC.py
    │   ├── 2405_optimal-partition-of-string_1_AC.py
    │   ├── 2406_divide-intervals-into-minimum-number-of-groups_1_AC.py
    │   ├── 2409_count-days-spent-together_1_AC.py
    │   ├── 2410_maximum-matching-of-players-with-trainers_1_AC.py
    │   ├── 2413_smallest-even-multiple_1_AC.py
    │   ├── 2414_length-of-the-longest-alphabetical-continuous-substring_1_AC.py
    │   ├── 2415_reverse-odd-levels-of-binary-tree_1_AC.py
    │   ├── 2418_sort-the-people_1_AC.py
    │   ├── 2419_longest-subarray-with-maximum-bitwise-and_1_AC.py
    │   ├── 2423_remove-letter-to-equalize-frequency_1_AC.py
    │   ├── 2424_longest-uploaded-prefix_1_AC.py
    │   ├── 2425_bitwise-xor-of-all-pairings_1_AC.py
    │   ├── 2427_number-of-common-factors_1_AC.py
    │   ├── 2428_maximum-sum-of-an-hourglass_1_AC.py
    │   ├── 2432_the-employee-that-worked-on-the-longest-task_1_AC.py
    │   ├── 2433_find-the-original-array-of-prefix-xor_1_AC.py
    │   ├── 2437_number-of-valid-clock-times_1_AC.py
    │   ├── 2441_largest-positive-integer-that-exists-with-its-negative_1_AC.py
    │   ├── 2442_count-number-of-distinct-integers-after-reverse-operations_1_AC.py
    │   ├── 2444_count-subarrays-with-fixed-bounds_1_AC.py
    │   ├── 2446_determine-if-two-events-have-conflict_1_AC.py
    │   ├── 2447_number-of-subarrays-with-gcd-equal-to-k_1_AC.py
    │   ├── 2449_minimum-number-of-operations-to-make-arrays-similar_1_AC.py
    │   ├── 2451_odd-string-difference_1_AC.py
    │   ├── 2452_words-within-two-edits-of-dictionary_1_AC.py
    │   ├── 2455_average-value-of-even-numbers-that-are-divisible-by-three_1_AC.py
    │   ├── 2460_apply-operations-to-an-array_1_AC.py
    │   ├── 2465_number-of-distinct-averages_1_AC.py
    │   ├── 2466_count-ways-to-build-good-strings_1_AC.py
    │   ├── 2469_convert-the-temperature_1_AC.py
    │   ├── 2471_minimum-number-of-operations-to-sort-a-binary-tree-by-level_1_AC.py
    │   ├── 2475_number-of-unequal-triplets-in-array_1_AC.py
    │   ├── 2477_minimum-fuel-cost-to-report-to-the-capital_1_AC.py
    │   ├── 2481_minimum-cuts-to-divide-a-circle_1_AC.py
    │   ├── 2482_difference-between-ones-and-zeros-in-row-and-column_1_AC.py
    │   ├── 2483_minimum-penalty-for-a-shop_1_AC.py
    │   ├── 2485_find-the-pivot-integer_1_AC.py
    │   ├── 2486_append-characters-to-string-to-make-subsequence_1_AC.py
    │   ├── 2487_remove-nodes-from-linked-list_1_AC.py
    │   ├── 2490_circular-sentence_1_AC.py
    │   ├── 2491_divide-players-into-teams-of-equal-skill_1_AC.py
    │   ├── 2492_minimum-score-of-a-path-between-two-cities_1_AC.py
    │   ├── 2496_maximum-value-of-a-string-in-an-array_1_AC.py
    │   ├── 2498_frog-jump-ii_1_AC.py
    │   └── 2500_delete-greatest-value-in-each-row_1_AC.py
    ├── 2501-3000
    │   ├── 2501_longest-square-streak-in-an-array_1_AC.py
    │   ├── 2502_design-memory-allocator_1_AC.py
    │   ├── 2506_count-pairs-of-similar-strings_1_AC.py
    │   ├── 2511_maximum-enemy-forts-that-can-be-captured_1_AC.py
    │   ├── 2515_shortest-distance-to-target-string-in-a-circular-array_1_AC.py
    │   ├── 2516_take-k-of-each-character-from-left-and-right_1_AC.py
    │   ├── 2517_maximum-tastiness-of-candy-basket_1_AC.py
    │   ├── 2520_count-the-digits-that-divide-a-number_1_AC.py
    │   ├── 2521_distinct-prime-factors-of-product-of-array_1_AC.py
    │   ├── 2525_categorize-box-according-to-criteria_1_AC.py
    │   ├── 2527_find-xor-beauty-of-array_1_AC.py
    │   ├── 2529_maximum-count-of-positive-integer-and-negative-integer_1_AC.py
    │   ├── 2530_maximal-score-after-applying-k-operations_1_AC.py
    │   ├── 2535_difference-between-element-sum-and-digit-sum-of-an-array_1_AC.py
    │   ├── 2536_increment-submatrices-by-one_1_AC.py
    │   ├── 2537_count-the-number-of-good-subarrays_1_AC.py
    │   ├── 2540_minimum-common-value_1_AC.py
    │   ├── 2542_maximum-subsequence-score_1_AC.py
    │   ├── 2544_alternating-digit-sum_1_AC.py
    │   ├── 2545_sort-the-students-by-their-kth-score_1_AC.py
    │   ├── 2549_count-distinct-numbers-on-board_1_AC.py
    │   ├── 2551_put-marbles-in-bags_1_AC.py
    │   ├── 2553_separate-the-digits-in-an-array_1_AC.py
    │   ├── 2554_maximum-number-of-integers-to-choose-from-a-range-i_1_AC.py
    │   ├── 2558_take-gifts-from-the-richest-pile_1_AC.py
    │   ├── 2559_count-vowel-strings-in-ranges_1_AC.py
    │   ├── 2562_find-the-array-concatenation-value_1_AC.py
    │   ├── 2566_maximum-difference-by-remapping-a-digit_1_AC.py
    │   ├── 2568_minimum-impossible-or_1_AC.py
    │   ├── 2570_merge-two-2d-arrays-by-summing-values_1_AC.py
    │   ├── 2571_minimum-operations-to-reduce-an-integer-to-0_1_AC.py
    │   ├── 2574_left-and-right-sum-differences_1_AC.py
    │   ├── 2578_split-with-minimum-sum_1_AC.py
    │   ├── 2579_count-total-number-of-colored-cells_1_AC.py
    │   ├── 2582_pass-the-pillow_1_AC.py
    │   ├── 2583_kth-largest-sum-in-a-binary-tree_1_AC.py
    │   ├── 2586_count-the-number-of-vowel-strings-in-range_1_AC.py
    │   ├── 2588_count-the-number-of-beautiful-subarrays_1_AC.py
    │   ├── 2591_distribute-money-to-maximum-children_1_AC.py
    │   ├── 2592_maximize-greatness-of-an-array_1_AC.py
    │   ├── 2592_maximize-greatness-of-an-array_2_AC.py
    │   ├── 2593_find-score-of-an-array-after-marking-all-elements_1_AC.py
    │   ├── 2595_number-of-even-and-odd-bits_1_AC.py
    │   ├── 2596_check-knight-tour-configuration_1_AC.py
    │   ├── 2597_the-number-of-beautiful-subsets_1_AC.py
    │   ├── 2600_k-items-with-the-maximum-sum_1_AC.py
    │   ├── 2601_prime-subtraction-operation_1_AC.py
    │   ├── 2605_form-smallest-number-from-two-digit-arrays_1_AC.py
    │   ├── 2606_find-the-substring-with-maximum-cost_1_AC.py
    │   ├── 2609_find-the-longest-balanced-substring-of-a-binary-string_1_AC.py
    │   ├── 2610_convert-an-array-into-a-2d-array-with-conditions_1_AC.py
    │   ├── 2614_prime-in-diagonal_1_AC.py
    │   ├── 2639_find-the-width-of-columns-of-a-grid_1_AC.py
    │   ├── 2640_find-the-score-of-all-prefixes-of-an-array_1_AC.py
    │   ├── 2641_cousins-in-binary-tree-ii_1_AC.py
    │   ├── 2642_design-graph-with-shortest-path-calculator_1_AC.py
    │   ├── 2643_row-with-maximum-ones_1_AC.py
    │   ├── 2644_find-the-maximum-divisibility-score_1_AC.py
    │   ├── 2651_calculate-delayed-arrival-time_1_AC.py
    │   ├── 2652_sum-multiples_1_AC.py
    │   ├── 2656_maximum-sum-with-exactly-k-elements_1_AC.py
    │   ├── 2657_find-the-prefix-common-array-of-two-arrays_1_AC.py
    │   ├── 2658_maximum-number-of-fish-in-a-grid_1_AC.py
    │   ├── 2660_determine-the-winner-of-a-bowling-game_1_AC.py
    │   ├── 2670_find-the-distinct-difference-array_1_AC.py
    │   ├── 2672_number-of-adjacent-elements-with-the-same-color_1_AC.py
    │   ├── 2673_make-costs-of-paths-equal-in-a-binary-tree_1_AC.py
    │   ├── 2678_number-of-senior-citizens_1_AC.py
    │   ├── 2679_sum-in-a-matrix_1_AC.py
    │   ├── 2682_find-the-losers-of-the-circular-game_1_AC.py
    │   ├── 2683_neighboring-bitwise-xor_1_AC.py
    │   ├── 2684_maximum-number-of-moves-in-a-grid_1_AC.py
    │   ├── 2685_count-the-number-of-complete-components_1_AC.py
    │   ├── 2696_minimum-string-length-after-removing-substrings_1_AC.py
    │   ├── 2697_lexicographically-smallest-palindrome_1_AC.py
    │   ├── 2698_find-the-punishment-number-of-an-integer_1_AC.py
    │   ├── 2706_buy-two-chocolates_1_AC.py
    │   ├── 2707_extra-characters-in-a-string_1_AC.py
    │   ├── 2710_remove-trailing-zeros-from-a-string_1_AC.py
    │   ├── 2711_difference-of-number-of-distinct-values-on-diagonals_1_AC.py
    │   ├── 2712_minimum-cost-to-make-all-characters-equal_1_AC.py
    │   ├── 2716_minimize-string-length_1_AC.py
    │   ├── 2717_semi-ordered-permutation_1_AC.py
    │   ├── 2729_check-if-the-number-is-fascinating_1_AC.py
    │   ├── 2733_neither-minimum-nor-maximum_1_AC.py
    │   ├── 2739_total-distance-traveled_1_AC.py
    │   ├── 2740_find-the-value-of-the-partition_1_AC.py
    │   ├── 2744_find-maximum-number-of-string-pairs_1_AC.py
    │   ├── 2745_construct-the-longest-new-string_1_AC.py
    │   ├── 2748_number-of-beautiful-pairs_1_AC.py
    │   ├── 2760_longest-even-odd-subarray-with-threshold_1_AC.py
    │   ├── 2762_continuous-subarrays_1_AC.py
    │   ├── 2765_longest-alternating-subarray_1_AC.py
    │   ├── 2766_relocate-marbles_1_AC.py
    │   ├── 2767_partition-string-into-minimum-beautiful-substrings_1_AC.py
    │   ├── 2769_find-the-maximum-achievable-number_1_AC.py
    │   ├── 2778_sum-of-squares-of-special-elements_1_AC.py
    │   ├── 2779_maximum-beauty-of-an-array-after-applying-operation_1_AC.py
    │   ├── 2780_minimum-index-of-a-valid-split_1_AC.py
    │   ├── 2784_check-if-array-is-good_1_AC.py
    │   ├── 2785_sort-vowels-in-a-string_1_AC.py
    │   ├── 2788_split-strings-by-separator_1_AC.py
    │   ├── 2798_number-of-employees-who-met-the-target_1_AC.py
    │   ├── 2799_count-complete-subarrays-in-an-array_1_AC.py
    │   ├── 2806_account-balance-after-rounded-purchase_1_AC.py
    │   ├── 2807_insert-greatest-common-divisors-in-linked-list_1_AC.py
    │   ├── 2810_faulty-keyboard_1_AC.py
    │   ├── 2815_max-pair-sum-in-an-array_1_AC.py
    │   ├── 2816_double-a-number-represented-as-a-linked-list_1_AC.py
    │   ├── 2824_count-pairs-whose-sum-is-less-than-target_1_AC.py
    │   ├── 2825_make-string-a-subsequence-using-cyclic-increments_1_AC.py
    │   ├── 2828_check-if-a-string-is-an-acronym-of-words_1_AC.py
    │   ├── 2829_determine-the-minimum-sum-of-a-k-avoiding-array_1_AC.py
    │   ├── 2833_furthest-point-from-origin_1_AC.py
    │   ├── 2839_check-if-strings-can-be-made-equal-with-operations-i_1_AC.py
    │   ├── 2840_check-if-strings-can-be-made-equal-with-operations-ii_1_AC.py
    │   ├── 2843_count-symmetric-integers_1_AC.py
    │   ├── 2848_points-that-intersect-with-cars_1_AC.py
    │   ├── 2855_minimum-right-shifts-to-sort-the-array_1_AC.py
    │   ├── 2859_sum-of-values-at-indices-with-k-set-bits_1_AC.py
    │   ├── 2860_happy-students_1_AC.py
    │   ├── 2864_maximum-odd-binary-number_1_AC.py
    │   ├── 2869_minimum-operations-to-collect-elements_1_AC.py
    │   ├── 2870_minimum-number-of-operations-to-make-array-empty_1_AC.py
    │   ├── 2872_maximum-number-of-k-divisible-components_1_AC.py
    │   ├── 2873_maximum-value-of-an-ordered-triplet-i_1_AC.py
    │   ├── 2894_divisible-and-non-divisible-sums-difference_1_AC.py
    │   ├── 2895_minimum-processing-time_1_AC.py
    │   ├── 2899_last-visited-integers_1_AC.py
    │   ├── 2900_longest-unequal-adjacent-groups-subsequence-i_1_AC.py
    │   ├── 2903_find-indices-with-index-and-value-difference-i_1_AC.py
    │   ├── 2908_minimum-sum-of-mountain-triplets-i_1_AC.py
    │   ├── 2909_minimum-sum-of-mountain-triplets-ii_1_AC.py
    │   ├── 2913_subarrays-distinct-element-sum-of-squares-i_1_AC.py
    │   ├── 2914_minimum-number-of-changes-to-make-binary-string-beautiful_1_AC.py
    │   ├── 2917_find-the-k-or-of-an-array_1_AC.py
    │   ├── 2923_find-champion-i_1_AC.py
    │   ├── 2924_find-champion-ii_1_AC.py
    │   ├── 2928_distribute-candies-among-children-i_1_AC.py
    │   ├── 2930_number-of-strings-which-can-be-rearranged-to-contain-substring_1_AC.py
    │   ├── 2932_maximum-strong-pair-xor-i_1_AC.py
    │   ├── 2937_make-three-strings-equal_1_AC.py
    │   ├── 2938_separate-black-and-white-balls_1_AC.py
    │   ├── 2942_find-words-containing-character_1_AC.py
    │   ├── 2946_matrix-similarity-after-cyclic-shifts_1_AC.py
    │   ├── 2947_count-beautiful-substrings-i_1_AC.py
    │   ├── 2951_find-the-peaks_1_AC.py
    │   ├── 2952_minimum-number-of-coins-to-be-added_1_AC.py
    │   ├── 2956_find-common-elements-between-two-arrays_1_AC.py
    │   ├── 2957_remove-adjacent-almost-equal-characters_1_AC.py
    │   ├── 2958_length-of-longest-subarray-with-at-most-k-frequency_1_AC.py
    │   ├── 2960_count-tested-devices-after-test-operations_1_AC.py
    │   ├── 2962_count-subarrays-where-max-element-appears-at-least-k-times_1_AC.py
    │   ├── 2965_find-missing-and-repeated-values_1_AC.py
    │   ├── 2966_divide-array-into-arrays-with-max-difference_1_AC.py
    │   ├── 2970_count-the-number-of-incremovable-subarrays-i_1_AC.py
    │   ├── 2971_find-polygon-with-the-largest-perimeter_1_AC.py
    │   ├── 2974_minimum-number-game_1_AC.py
    │   ├── 2976_minimum-cost-to-convert-string-i_1_AC.py
    │   ├── 2980_check-if-bitwise-or-has-trailing-zeros_1_AC.py
    │   ├── 2981_find-longest-special-substring-that-occurs-thrice-i_1_AC.py
    │   ├── 2996_smallest-missing-integer-greater-than-sequential-prefix-sum_1_AC.py
    │   ├── 2997_minimum-number-of-operations-to-make-array-xor-equal-to-k_1_AC.py
    │   └── 3000_maximum-area-of-longest-diagonal-rectangle_1_AC.py
    └── 3001-3500
    │   ├── 3005_count-elements-with-maximum-frequency_1_AC.py
    │   ├── 3010_divide-an-array-into-subarrays-with-minimum-cost-i_1_AC.py
    │   ├── 3011_find-if-array-can-be-sorted_1_AC.py
    │   ├── 3014_minimum-number-of-pushes-to-type-word-i_1_AC.py
    │   ├── 3015_count-the-number-of-houses-at-a-certain-distance-i_1_AC.py
    │   ├── 3016_minimum-number-of-pushes-to-type-word-ii_1_AC.py
    │   ├── 3019_number-of-changing-keys_1_AC.py
    │   ├── 3024_type-of-triangle_1_AC.py
    │   ├── 3028_ant-on-the-boundary_1_AC.py
    │   ├── 3033_modify-the-matrix_1_AC.py
    │   ├── 3034_number-of-subarrays-that-match-a-pattern-i_1_AC.py
    │   ├── 3038_maximum-number-of-operations-with-the-same-score-i_1_AC.py
    │   ├── 3039_apply-operations-to-make-string-empty_1_AC.py
    │   ├── 3042_count-prefix-and-suffix-pairs-i_1_AC.py
    │   ├── 3043_find-the-length-of-the-longest-common-prefix_1_AC.py
    │   ├── 3046_split-the-array_1_AC.py
    │   ├── 3065_minimum-operations-to-exceed-threshold-value-i_1_AC.py
    │   ├── 3067_count-pairs-of-connectable-servers-in-a-weighted-tree-network_1_AC.py
    │   ├── 3068_find-the-maximum-sum-of-node-values_1_AC.py
    │   ├── 3069_distribute-elements-into-two-arrays-i_1_AC.py
    │   ├── 3070_count-submatrices-with-top-left-element-and-sum-less-than-k_1_AC.py
    │   ├── 3071_minimum-operations-to-write-the-letter-y-on-a-grid_1_AC.py
    │   ├── 3074_apple-redistribution-into-boxes_1_AC.py
    │   ├── 3075_maximize-happiness-of-selected-children_1_AC.py
    │   ├── 3079_find-the-sum-of-encrypted-integers_1_AC.py
    │   ├── 3083_existence-of-a-substring-in-a-string-and-its-reverse_1_AC.py
    │   ├── 3090_maximum-length-substring-with-two-occurrences_1_AC.py
    │   ├── 3095_shortest-subarray-with-or-at-least-k-i_1_AC.py
    │   ├── 3097_shortest-subarray-with-or-at-least-k-ii_1_AC.py
    │   ├── 3099_harshad-number_1_AC.py
    │   ├── 3100_water-bottles-ii_1_AC.py
    │   ├── 3101_count-alternating-subarrays_1_AC.py
    │   ├── 3105_longest-strictly-increasing-or-strictly-decreasing-subarray_1_AC.py
    │   ├── 3106_lexicographically-smallest-string-after-operations-with-constraint_1_AC.py
    │   ├── 3110_score-of-a-string_1_AC.py
    │   ├── 3111_minimum-rectangles-to-cover-points_1_AC.py
    │   ├── 3114_latest-time-you-can-obtain-after-replacing-characters_1_AC.py
    │   ├── 3115_maximum-prime-difference_1_AC.py
    │   ├── 3120_count-the-number-of-special-characters-i_1_AC.py
    │   ├── 3127_make-a-square-with-the-same-color_1_AC.py
    │   ├── 3131_find-the-integer-added-to-array-i_1_AC.py
    │   ├── 3133_minimum-array-end_1_AC.py
    │   ├── 3136_valid-word_1_AC.py
    │   ├── 3137_minimum-number-of-operations-to-make-word-k-periodic_1_AC.py
    │   ├── 3142_check-if-grid-satisfies-conditions_1_AC.py
    │   ├── 3146_permutation-difference-between-two-strings_1_AC.py
    │   ├── 3151_special-array-i_1_AC.py
    │   ├── 3158_find-the-xor-of-numbers-which-appear-twice_1_AC.py
    │   ├── 3159_find-occurrences-of-an-element-in-an-array_1_AC.py
    │   ├── 3162_find-the-number-of-good-pairs-i_1_AC.py
    │   ├── 3163_string-compression-iii_1_AC.py
    │   ├── 3168_minimum-number-of-chairs-in-a-waiting-room_1_AC.py
    │   ├── 3174_clear-digits_1_AC.py
    │   ├── 3178_find-the-child-who-has-the-ball-after-k-seconds_1_AC.py
    │   ├── 3179_find-the-n-th-value-after-k-seconds_1_AC.py
    │   ├── 3184_count-pairs-that-form-a-complete-day-i_1_AC.py
    │   ├── 3190_find-minimum-operations-to-make-all-elements-divisible-by-three_1_AC.py
    │   ├── 3191_minimum-operations-to-make-binary-array-elements-equal-to-one-i_1_AC.py
    │   ├── 3192_minimum-operations-to-make-binary-array-elements-equal-to-one-ii_1_AC.py
    │   ├── 3194_minimum-average-of-smallest-and-largest-elements_1_AC.py
    │   ├── 3195_find-the-minimum-area-to-cover-all-ones-i_1_AC.py
    │   ├── 3200_maximum-height-of-a-triangle_1_AC.py
    │   ├── 3206_alternating-groups-i_1_AC.py
    │   ├── 3210_find-the-encrypted-string_1_AC.py
    │   ├── 3211_generate-binary-strings-without-adjacent-zeros_1_AC.py
    │   ├── 3212_count-submatrices-with-equal-frequency-of-x-and-y_1_AC.py
    │   ├── 3216_lexicographically-smallest-string-after-a-swap_1_AC.py
    │   ├── 3217_delete-nodes-from-linked-list-present-in-array_1_AC.py
    │   ├── 3218_minimum-cost-for-cutting-cake-i_1_AC.py
    │   ├── 3222_find-the-winning-player-in-coin-game_1_AC.py
    │   ├── 3223_minimum-length-of-string-after-operations_1_AC.py
    │   ├── 3226_number-of-bit-changes-to-make-two-integers-equal_1_AC.py
    │   ├── 3227_vowels-game-in-a-string_1_AC.py
    │   ├── 3228_maximum-number-of-operations-to-move-ones-to-the-end_1_AC.py
    │   ├── 3232_find-if-digit-game-can-be-won_1_AC.py
    │   ├── 3238_find-the-number-of-winning-players_1_AC.py
    │   ├── 3239_minimum-number-of-flips-to-make-binary-grid-palindromic-i_1_AC.py
    │   ├── 3242_design-neighbor-sum-service_1_AC.py
    │   ├── 3243_shortest-distance-after-road-addition-queries-i_1_AC.py
    │   ├── 3243_shortest-distance-after-road-addition-queries-i_2_AC.py
    │   ├── 3248_snake-in-matrix_1_AC.py
    │   ├── 3249_count-the-number-of-good-nodes_1_AC.py
    │   ├── 3254_find-the-power-of-k-size-subarrays-i_1_AC.py
    │   ├── 3258_count-substrings-that-satisfy-k-constraint-i_1_AC.py
    │   ├── 3264_final-array-state-after-k-multiplication-operations-i_1_AC.py
    │   ├── 3270_find-the-key-of-the-numbers_1_AC.py
    │   ├── 3271_hash-divided-string_1_AC.py
    │   ├── 3274_check-if-two-chessboard-squares-have-the-same-color_1_AC.py
    │   ├── 3280_convert-date-to-binary_1_AC.py
    │   ├── 3285_find-indices-of-stable-mountains_1_AC.py
    │   ├── 3289_the-two-sneaky-numbers-of-digitville_1_AC.py
    │   ├── 3300_minimum-element-after-replacement-with-digit-sum_1_AC.py
    │   ├── 3304_find-the-k-th-character-in-string-game-i_1_AC.py
    │   ├── 3309_maximum-possible-number-by-binary-concatenation_1_AC.py
    │   ├── 3310_remove-methods-from-project_1_AC.py
    │   ├── 3314_construct-the-minimum-bitwise-array-i_1_AC.py
    │   ├── 3318_find-x-sum-of-all-k-long-subarrays-i_1_AC.py
    │   ├── 3319_k-th-largest-perfect-subtree-size-in-binary-tree_1_AC.py
    │   ├── 3324_find-the-sequence-of-strings-appeared-on-the-screen_1_AC.py
    │   ├── 3325_count-substrings-with-k-frequency-characters-i_1_AC.py
    │   ├── 3330_find-the-original-typed-string-i_1_AC.py
    │   ├── 3331_find-subtree-sizes-after-changes_1_AC.py
    │   ├── 3340_check-balanced-string_1_AC.py
    │   ├── 3345_smallest-divisible-digit-product-i_1_AC.py
    │   ├── 3349_adjacent-increasing-subarrays-detection-i_1_AC.py
    │   ├── 3354_make-array-elements-equal-to-zero_1_AC.py
    │   ├── 3360_stone-removal-game_1_AC.py
    │   ├── 3361_shift-distance-between-two-strings_1_AC.py
    │   ├── 3364_minimum-positive-sum-subarray_1_AC.py
    │   ├── 3365_rearrange-k-substrings-to-form-target-string_1_AC.py
    │   ├── 3370_smallest-number-with-all-set-bits_1_AC.py
    │   └── 3387_maximize-amount-after-two-days-of-conversions_1_AC.py
├── concurrency
    ├── 1114_print-in-order_1_AC.py
    ├── 1115_print-foobar-alternately_1_AC.py
    ├── 1116_print-zero-even-odd_1_AC.py
    ├── 1117_building-h2o_1_AC.py
    ├── 1188_design-bounded-blocking-queue_1_AC.py
    ├── 1195_fizz-buzz-multithreaded_1_AC.py
    ├── 1226_the-dining-philosophers_1_AC.py
    ├── 1242_web-crawler-multithreaded_1_AC.py
    └── 1279_traffic-light-controlled-intersection_1_AC.py
├── database
    ├── 0175_combine-two-tables_1_AC.sql
    ├── 0176_second-highest-salary_1_AC.sql
    ├── 0177_nth-highest-salary_1_AC.sql
    ├── 0178_rank-scores_1_AC.sql
    ├── 0180_consecutive-numbers_1_AC.sql
    ├── 0181_employees-earning-more-than-their-managers_1_AC.sql
    ├── 0182_duplicate-emails_1_AC.sql
    ├── 0183_customers-who-never-order_1_AC.sql
    ├── 0184_department-highest-salary_1_AC.sql
    ├── 0185_department-top-three-salaries_1_AC.sql
    ├── 0196_delete-duplicate-emails_1_AC.sql
    ├── 0197_rising-temperature_1_AC.sql
    ├── 0511_game-play-analysis-i_1_AC.sql
    ├── 0512_game-play-analysis-ii_1_AC.sql
    ├── 0534_game-play-analysis-iii_1_AC.sql
    ├── 0550_game-play-analysis-iv_1_AC.sql
    ├── 0570_managers-with-at-least-5-direct-reports_1_AC.sql
    ├── 0574_winning-candidate_1_AC.sql
    ├── 0577_employee-bonus_1_AC.sql
    ├── 0578_get-highest-answer-rate-question_1_AC.sql
    ├── 0580_count-student-number-in-departments_1_AC.sql
    ├── 0584_find-customer-referee_1_AC.sql
    ├── 0585_investments-in-2016_1_AC.sql
    ├── 0586_customer-placing-the-largest-number-of-orders_1_AC.sql
    ├── 0595_big-countries_1_AC.sql
    ├── 0596_classes-more-than-5-students_1_AC.sql
    ├── 0597_friend-requests-i-overall-acceptance-rate_1_AC.sql
    ├── 0602_friend-requests-ii-who-has-the-most-friends_1_AC.sql
    ├── 0603_consecutive-available-seats_1_AC.sql
    ├── 0607_sales-person_1_AC.sql
    ├── 0608_tree-node_1_AC.sql
    ├── 0610_triangle-judgement_1_AC.sql
    ├── 0612_shortest-distance-in-a-plane_1_AC.sql
    ├── 0613_shortest-distance-in-a-line_1_AC.sql
    ├── 0614_second-degree-follower_1_AC.sql
    ├── 0619_biggest-single-number_1_AC.sql
    ├── 0620_not-boring-movies_1_AC.sql
    ├── 0626_exchange-seats_1_AC.sql
    ├── 0627_swap-salary_1_AC.sql
    ├── 1045_customers-who-bought-all-products_1_AC.sql
    ├── 1050_actors-and-directors-who-cooperated-at-least-three-times_1_AC.sql
    ├── 1068_product-sales-analysis-i_1_AC.sql
    ├── 1069_product-sales-analysis-ii_1_AC.sql
    ├── 1070_product-sales-analysis-iii_1_AC.sql
    ├── 1075_project-employees-i_1_AC.sql
    ├── 1076_project-employees-ii_1_AC.sql
    ├── 1077_project-employees-iii_1_AC.sql
    ├── 1077_project-employees-iii_2_AC.sql
    ├── 1082_sales-analysis-i_1_AC.sql
    ├── 1083_sales-analysis-ii_1_AC.sql
    ├── 1084_sales-analysis-iii_1_AC.sql
    ├── 1098_unpopular-books_1_AC.sql
    ├── 1107_new-users-daily-count_1_AC.sql
    ├── 1112_highest-grade-for-each-student_1_AC.sql
    ├── 1113_reported-posts_1_AC.sql
    ├── 1126_active-businesses_1_AC.sql
    ├── 1132_reported-posts-ii_1_AC.sql
    ├── 1141_user-activity-for-the-past-30-days-i_1_AC.sql
    ├── 1142_user-activity-for-the-past-30-days-ii_1_AC.sql
    ├── 1148_article-views-i_1_AC.sql
    ├── 1149_article-views-ii_1_AC.sql
    ├── 1158_market-analysis-i_1_AC.sql
    ├── 1164_product-price-at-a-given-date_1_AC.sql
    ├── 1173_immediate-food-delivery-i_1_AC.sql
    ├── 1174_immediate-food-delivery-ii_1_AC.sql
    ├── 1179_reformat-department-table_1_AC.sql
    ├── 1193_monthly-transactions-i_1_AC.sql
    ├── 1204_last-person-to-fit-in-the-elevator_1_AC.sql
    ├── 1205_monthly-transactions-ii_1_AC.sql
    ├── 1211_queries-quality-and-percentage_1_AC.sql
    ├── 1212_team-scores-in-football-tournament_1_AC.sql
    ├── 1241_number-of-comments-per-post_1_AC.sql
    ├── 1251_average-selling-price_1_AC.sql
    ├── 1264_page-recommendations_1_AC.sql
    ├── 1270_all-people-report-to-the-given-manager_1_AC.sql
    ├── 1280_students-and-examinations_AC.sql
    ├── 1285_find-the-start-and-end-number-of-continuous-ranges_1_AC.sql
    ├── 1294_weather-type-in-each-country_1_AC.sql
    ├── 1303_find-the-team-size_1_AC.sql
    ├── 1308_running-total-for-different-genders_1_AC.sql
    ├── 1321_restaurant-growth_1_AC.sql
    ├── 1322_ads-performance_1_AC.sql
    ├── 1322_ads-performance_2_AC.sql
    ├── 1327_list-the-products-ordered-in-a-period_1_AC.sql
    ├── 1341_movie-rating_1_AC.sql
    ├── 1350_students-with-invalid-departments_1_AC.sql
    ├── 1355_activity-participants_1_AC.sql
    ├── 1364_number-of-trusted-contacts-of-a-customer_1_AC.sql
    ├── 1378_replace-employee-id-with-the-unique-identifier_1_AC.sql
    ├── 1384_total-sales-amount-by-year_1_AC.sql
    └── 1393_capital-gainloss_1_AC.sql
├── explore
    ├── 30-day-leetcoding-challenge
    │   ├── 3283_single-number_1_AC.py
    │   ├── 3284_happy-number_1_AC.py
    │   ├── 3285_maximum-subarray_1_AC.py
    │   ├── 3286_move-zeros_1_AC.py
    │   ├── 3287_best-time-to-buy-and-sell-stock-ii_1_AC.py
    │   ├── 3288_group-anagrams_1_AC.py
    │   ├── 3289_counting-elements_1_AC.py
    │   ├── 3290_middle-of-the-linked-list_1_AC.py
    │   ├── 3291_backspace-string-compare_1_AC.py
    │   ├── 3292_min-stack_1_AC.py
    │   ├── 3293_diameter-of-binary-tree_1_AC.py
    │   ├── 3297_last-stone-weight_1_AC.py
    │   ├── 3298_contiguous-array_1_AC.py
    │   ├── 3299_perform-string-shifts_1_AC.py
    │   ├── 3300_product-of-array-except-self_1_AC.py
    │   ├── 3301_valid-parenthesis-string_1_AC.py
    │   ├── 3302_number-of-islands_1_AC.py
    │   ├── 3303_minimum-path-sum_1_AC.py
    │   ├── 3304_search-in-rotated-sorted-array_1_AC.py
    │   ├── 3305_construct-binary-search-tree-from-preorder-traversal_1_AC.py
    │   ├── 3306_leftmost-column-with-at-least-a-one_1_AC.py
    │   ├── 3307_subarray-sum-equals-k_1_AC.py
    │   ├── 3308_bitwise-and-of-numbers-range_1_AC.py
    │   ├── 3309_lru-cache_1_AC.py
    │   ├── 3310_jump-game_1_AC.py
    │   ├── 3311_longest-common-subsequence_1_AC.py
    │   ├── 3312_maximal-square_1_AC.py
    │   ├── 3313_first-unique-number_1_AC.py
    │   ├── 3314_binary-tree-maximum-path-sum_1_AC.cpp
    │   └── 3315-check-if-a-string-is-a-valid-sequence-from-root-to-leaves-path-in-a-binary-tree_1_AC.py
    ├── adobe
    │   ├── 2489_two-sum_1_AC.cpp
    │   ├── 2490_longest-substring-without-repeating-characters_1_AC.cpp
    │   ├── 2491_container-with-most-water_1_AC.cpp
    │   ├── 2492_integer-to-roman_1_AC.cpp
    │   ├── 2493_roman-to-integer_1_AC.cpp
    │   ├── 2494_longest-common-prefix_1_AC.cpp
    │   ├── 2495_3sum_1_AC.cpp
    │   ├── 2496_3sum-closest_1_AC.cpp
    │   ├── 2497_4sum_1_AC.cpp
    │   ├── 2498_substring-with-concatenation-of-all-words_1_AC.cpp
    │   ├── 2499_spiral-matrix_1_AC.cpp
    │   ├── 2500_product-of-array-except-self_1_AC.py
    │   ├── 2501_missing-number_1_AC.cpp
    │   ├── 2502_find-all-numbers-disappeared-in-an-array_1_AC.cpp
    │   ├── 2503_positions-of-large-groups_1_AC.py
    │   ├── 2504_unique-email-addresses_1_AC.py
    │   ├── 2505_add-two-numbers_1_AC.cpp
    │   ├── 2506_remove-nth-node-from-end-of-list_1_AC.cpp
    │   ├── 2507_merge-two-sorted-lists_1_AC.cpp
    │   ├── 2508_copy-list-with-random-pointer_1_AC.cpp
    │   ├── 2509_linked-list-cycle_1_AC.cpp
    │   ├── 2510_reverse-linked-list_1_AC.cpp
    │   ├── 2511_median-of-two-sorted-arrays_1_AC.cpp
    │   ├── 2512_search-insert-position_1_AC.cpp
    │   ├── 2513_longest-palindromic-substring_1_AC.cpp
    │   ├── 2514_regular-expression-matching_1_AC.py
    │   ├── 2516_best-time-to-buy-and-sell-stock_1_AC.cpp
    │   ├── 2517_maximum-product-subarray_1_AC.cpp
    │   ├── 2518_longest-increasing-subsequence_1_AC.cpp
    │   ├── 2520_reverse-integer_1_AC.cpp
    │   ├── 2524_tenth-line_1_AC.sh
    │   ├── 2525_add-digits_1_AC.cpp
    │   ├── 2526_nth-digit_1_AC.cpp
    │   ├── 2527_encode-and-decode-tinyurl_1_AC.cpp
    │   ├── 2529_jewels-and-stones_1_AC.cpp
    │   ├── 2530_rectangle-overlap_1_AC.py
    │   ├── 2531_merge-k-sorted-lists_1_AC.cpp
    │   ├── 2532_simplify-path_1_AC.cpp
    │   ├── 2533_basic-calculator_1_AC.cpp
    │   ├── 2534_remove-k-digits_1_AC.cpp
    │   ├── 2535_lru-cache_1_AC.cpp
    │   ├── 2538_sum-of-left-leaves_1_AC.cpp
    │   ├── 2539_combine-two-tables_1_AC.sql
    │   ├── 2540_nth-highest-salary_1_AC.sql
    │   ├── 2541_department-top-three-salaries_1_AC.sql
    │   ├── 2542_big-countries_1_AC.sql
    │   ├── 2543_binary-tree-inorder-traversal_1_AC.cpp
    │   ├── 2544_validate-binary-search-tree_1_AC.cpp
    │   ├── 2545_binary-tree-zigzag-level-order-traversal_1_AC.cpp
    │   ├── 2546_perfect-squares_1_AC.cpp
    │   ├── 2547_maximum-subarray_1_AC.py
    │   ├── 2548_climbing-stairs_1_AC.cpp
    │   ├── 2549_maximal-rectangle_1_AC.cpp
    │   ├── 2550_min-stack_1_AC.py
    │   └── 2551_merge-intervals_1_AC.cpp
    ├── amazon
    │   ├── 0478_lru-cache_1_AC.cpp
    │   ├── 0480_first-unique-character-in-a-string_1_AC.cpp
    │   ├── 0481_integer-to-english-words_1_AC.cpp
    │   ├── 0482_kth-largest-element-in-an-array_1_AC.cpp
    │   ├── 0483_word-ladder-ii_1_AC.cpp
    │   ├── 0489_longest-palindromic-substring_1_AC.cpp
    │   ├── 0495_find-median-from-data-stream_1_AC.cpp
    │   ├── 0497_meeting-rooms-ii_1_AC.cpp
    │   ├── 0499_product-of-array-except-self_1_AC.py
    │   ├── 0502_compare-version-numbers_1_AC.cpp
    │   ├── 0503_min-stack_1_AC.py
    │   ├── 0505_best-time-to-buy-and-sell-stock_1_AC.cpp
    │   ├── 0506_binary-tree-level-order-traversal_1_AC.cpp
    │   ├── 0507_symmetric-tree_1_AC.cpp
    │   ├── 0508_two-sum_1_AC.cpp
    │   ├── 0512_merge-k-sorted-lists_1_AC.cpp
    │   ├── 0513_add-two-numbers_1_AC.cpp
    │   ├── 0514_validate-binary-search-tree_1_AC.cpp
    │   ├── 0517_design-tic-tac-toe_1_AC.cpp
    │   ├── 0521_letter-combinations-of-a-phone-number_1_AC.cpp
    │   ├── 0894_number-of-islands_1_AC.py
    │   ├── 0902_minimum-window-substring_1_AC.cpp
    │   ├── 2961_longest-substring-without-repeating-characters_1_AC.cpp
    │   ├── 2962_string-to-integer-atoi_1_AC.cpp
    │   ├── 2963_container-with-most-water_1_AC.cpp
    │   ├── 2964_integer-to-roman_1_AC.cpp
    │   ├── 2965_roman-to-integer_1_AC.cpp
    │   ├── 2966_3sum_1_AC.cpp
    │   ├── 2967_3sum-closest_1_AC.cpp
    │   ├── 2968_implement-strstr_1_AC.cpp
    │   ├── 2969_rotate-image_1_AC.cpp
    │   ├── 2970_group-anagrams_1_AC.py
    │   ├── 2971_missing-number_1_AC.cpp
    │   ├── 2972_valid-parentheses_1_AC.cpp
    │   ├── 2973_most-common-word_1_AC.py
    │   ├── 2974_reorder-log-files_1_AC.py
    │   ├── 2975_trapping-rain-water_1_AC.cpp
    │   ├── 2976_merge-two-sorted-lists_1_AC.cpp
    │   ├── 2977_reverse-nodes-in-k-group_1_AC.cpp
    │   ├── 2978_copy-list-with-random-pointer_1_AC.cpp
    │   ├── 2979_reverse-linked-list_1_AC.cpp
    │   ├── 2980_binary-tree-zigzag-level-order-traversal_1_AC.cpp
    │   ├── 2981_binary-tree-maximum-path-sum_1_AC.cpp
    │   ├── 2982_word-ladder_1_AC.cpp
    │   ├── 2983_course-schedule_1_AC.cpp
    │   ├── 2984_lowest-common-ancestor-of-a-binary-tree_1_AC.py
    │   ├── 2985_diameter-of-binary-tree_1_AC.py
    │   ├── 2986_cut-off-trees-for-golf-event_1_AC.py
    │   ├── 2987_flood-fill_1_AC.cpp
    │   ├── 2988_generate-parentheses_1_AC.cpp
    │   ├── 2989_word-search_1_AC.cpp
    │   ├── 2990_word-search-ii_1_AC.cpp
    │   ├── 2991_median-of-two-sorted-arrays_1_AC.cpp
    │   ├── 2992_search-in-rotated-sorted-array_1_AC.py
    │   ├── 2993_merge-intervals_1_AC.cpp
    │   ├── 2994_two-sum-ii-input-array-is-sorted_1_AC.cpp
    │   ├── 2995_top-k-frequent-elements_1_AC.cpp
    │   ├── 2996_k-closest-points-to-origin_1_AC.py
    │   ├── 2997_word-break_1_AC.cpp
    │   ├── 2998_coin-change_1_AC.cpp
    │   ├── 2999_serialize-and-deserialize-binary-tree_1_AC.cpp
    │   ├── 3000_design-search-autocomplete-system_1_AC.py
    │   ├── 3001_maximum-frequency-stack_1_AC.py
    │   ├── 3002_reverse-integer_1_AC.cpp
    │   ├── 3003_second-highest-salary_1_AC.sql
    │   ├── 3004_partition-labels_1_AC.py
    │   ├── 3005_prison-cells-after-n-days_1_AC.py
    │   └── 3285_maximum-subarray_1_AC.py
    ├── apple
    │   ├── 2008_two-sum_1_AC.cpp
    │   ├── 2009_longest-substring-without-repeating-characters_1_AC.cpp
    │   ├── 2010_string-to-integer-atoi_1_AC.cpp
    │   ├── 2012_3sum_1_AC.cpp
    │   ├── 2015_spiral-matrix_1_AC.cpp
    │   ├── 2017_minimum-window-substring_1_AC.cpp
    │   ├── 2018_first-unique-character-in-a-string_1_AC.cpp
    │   ├── 2021_add-two-numbers_1_AC.cpp
    │   ├── 2022_merge-two-sorted-lists_1_AC.cpp
    │   ├── 2024_reverse-linked-list_1_AC.cpp
    │   ├── 2025_median-of-two-sorted-arrays_1_AC.cpp
    │   ├── 2026_merge-intervals_1_AC.cpp
    │   ├── 2027_valid-anagram_1_AC.cpp
    │   ├── 2028_longest-palindromic-substring_1_AC.cpp
    │   ├── 2029_maximum-subarray_1_AC.cpp
    │   ├── 2034_reverse-integer_1_AC.cpp
    │   ├── 2035_rank-scores_1_AC.sql
    │   ├── 2040_sparse-matrix-multiplication_1_AC.cpp
    │   ├── 2042_fizz-buzz_1_AC.cpp
    │   ├── 2044_trapping-rain-water_1_AC.cpp
    │   ├── 2048_number-of-islands_1_AC.cpp
    │   ├── 2049_longest-increasing-path-in-a-matrix_1_AC.cpp
    │   ├── 2053_lru-cache_1_AC.cpp
    │   ├── 3106_integer-to-roman_1_AC.cpp
    │   ├── 3107_roman-to-integer_1_AC.cpp
    │   ├── 3108_3sum-closest_1_AC.cpp
    │   ├── 3109_4sum_1_AC.cpp
    │   ├── 3110_group-anagrams_1_AC.cpp
    │   ├── 3111_valid-palindrome_1_AC.cpp
    │   ├── 3112_majority-element-ii_1_AC.cpp
    │   ├── 3113_product-of-array-except-self_1_AC.cpp
    │   ├── 3114_missing-number_1_AC.cpp
    │   ├── 3115_subarray-sum-equals-k_1_AC.cpp
    │   ├── 3116_squares-of-a-sorted-array_1_AC.py
    │   ├── 3117_valid-parentheses_1_AC.cpp
    │   ├── 3118_same-tree_1_AC.cpp
    │   ├── 3119_maximum-depth-of-binary-tree_1_AC.cpp
    │   ├── 3120_clone-graph_1_AC.cpp
    │   ├── 3121_lowest-common-ancestor-of-a-binary-tree_1_AC.py
    │   ├── 3122_diameter-of-binary-tree_1_AC.py
    │   ├── 3123_letter-combinations-of-a-phone-number_1_AC.cpp
    │   ├── 3124_generate-parentheses_1_AC.cpp
    │   ├── 3125_combination-sum_1_AC.cpp
    │   ├── 3126_permutations_1_AC.cpp
    │   ├── 3127_subsets_1_AC.cpp
    │   ├── 3128_word-search_1_AC.cpp
    │   ├── 3129_search-in-rotated-sorted-array_1_AC.cpp
    │   ├── 3130_sort-colors_1_AC.cpp
    │   ├── 3131_intersection-of-two-arrays_1_AC.cpp
    │   ├── 3132_intersection-of-two-arrays-ii_1_AC.cpp
    │   ├── 3133_top-k-frequent-words_1_AC.cpp
    │   ├── 3134_k-closest-points-to-origin_1_AC.py
    │   ├── 3135_regular-expression-matching_1_AC.py
    │   ├── 3136_best-time-to-buy-and-sell-stock_1_AC.cpp
    │   ├── 3137_word-break_1_AC.cpp
    │   ├── 3138_min-stack_1_AC.py
    │   ├── 3139_flatten-nested-list-iterator_1_AC.cpp
    │   ├── 3140_insert-delete-getrandom-o1_1_AC.cpp
    │   ├── 3141_valid-sudoku_1_AC.cpp
    │   ├── 3142_combine-two-tables_1_AC.sql
    │   ├── 3143_happy-number_1_AC.py
    │   └── 3144_jewels-and-stones_1_AC.cpp
    ├── array-and-string
    │   ├── 1144_find-pivot-index_1_AC.cpp
    │   ├── 1147_largest-number-at-least-twice-of-others_1_AC.cpp
    │   ├── 1148_plus-one_1_AC.cpp
    │   ├── 1151_remove-element_1_AC.cpp
    │   ├── 1153_two-sum-ii-input-array-is-sorted_1_AC.cpp
    │   ├── 1154_array-partition-i_1_AC.cpp
    │   ├── 1160_add-binary_1_AC.cpp
    │   ├── 1161_implement-strstr_1_AC.cpp
    │   ├── 1162_longest-common-prefix_1_AC.cpp
    │   ├── 1164_reverse-words-in-a-string_1_AC.cpp
    │   ├── 1165_reverse-words-in-a-string-iii_1_AC.cpp
    │   ├── 1167_diagonal-traverse_1_AC.cpp
    │   ├── 1168_spiral-matrix_1_AC.cpp
    │   ├── 1170_pascals-triangle_1_AC.cpp
    │   ├── 1171_pascals-triangle-ii_1_AC.cpp
    │   ├── 1173_remove-duplicates-from-sorted-array_1_AC.cpp
    │   ├── 1174_move-zeros_1_AC.py
    │   ├── 1182_rotate-array_1_AC.cpp
    │   ├── 1183_reverse-string_1_AC.cpp
    │   ├── 1299_minimum-size-subarray-sum_1_AC.cpp
    │   └── 1301_max-consecutive-ones_1_AC.cpp
    ├── binary-search
    │   ├── 0944_search-for-a-range_1_AC.cpp
    │   ├── 0945_find-k-closest-elements_1_AC.py
    │   ├── 0946_find-peak-element_1_AC.cpp
    │   ├── 0947_first-bad-version_1_AC.cpp
    │   ├── 0948_find-peak-element_1_AC.cpp
    │   ├── 0949_find-minimum-in-rotated-sorted-array_1_AC.cpp
    │   ├── 0950_sqrtx_1_AC.cpp
    │   ├── 0951_guess-number-higher-or-lower_1_AC.cpp
    │   ├── 0952_search-in-rotated-sorted-array_1_AC.cpp
    │   ├── 0977_find-smallest-letter-greater-than-target_1_AC.cpp
    │   ├── 0978_valid-perfect-square_1_AC.cpp
    │   ├── 0982_powx-n_1_AC.cpp
    │   ├── 1028_closest-binary-search-tree-value_1_AC.cpp
    │   ├── 1029_intersection-of-two-arrays-ii_1_AC.cpp
    │   ├── 1031_find-minimum-in-rotated-sorted-array-ii_1_AC.cpp
    │   ├── 1033_find-minimum-in-rotated-sorted-array_1_AC.cpp
    │   ├── 1034_intersection-of-two-arrays_1_AC.cpp
    │   ├── 1035_two-sum-ii-input-array-is-sorted_1_AC.cpp
    │   ├── 1038_binary-search_1_AC.cpp
    │   ├── 1039_find-the-duplicate-number_1_AC.cpp
    │   ├── 1040_median-of-two-sorted-arrays_1_AC.cpp
    │   ├── 1041_find-k-th-smallest-pair-distance_1_AC.py
    │   ├── 1042_split-array-largest-sum_1_AC.cpp
    │   └── 1061_search-in-a-sorted-array-of-unknown-size_1_AC.py
    ├── bloomberg
    │   ├── 0373_first-unique-character-in-a-string_1_AC.cpp
    │   ├── 0375_number-of-islands_1_AC.cpp
    │   ├── 0378_populating-next-right-pointers-in-each-node_1_AC.cpp
    │   ├── 0379_populating-next-right-pointers-in-each-node-ii_1_AC.cpp
    │   ├── 0381_validate-binary-search-tree_1_AC.cpp
    │   ├── 0382_trapping-rain-water_1_AC.cpp
    │   ├── 0383_move-zeros_1_AC.py
    │   ├── 0384_valid-parentheses_1_AC.cpp
    │   ├── 0385_add-two-numbers_1_AC.cpp
    │   ├── 0389_alien-dictionary_1_AC.cpp
    │   ├── 0392_merge-sorted-array_1_AC.cpp
    │   ├── 0395_spiral-matrix_1_AC.cpp
    │   ├── 0402_string-compression_1_AC.cpp
    │   ├── 0405_search-in-rotated-sorted-array_1_AC.cpp
    │   ├── 0408_sliding-window-maximum_1_AC.cpp
    │   ├── 0411_kth-smallest-element-in-a-bst_1_AC.cpp
    │   ├── 0417_word-break_1_AC.cpp
    │   ├── 0423_moving-average-from-data-stream_1_AC.cpp
    │   ├── 0431_reverse-linked-list_1_AC.cpp
    │   ├── 0432_sort-characters-by-frequency_1_AC.cpp
    │   ├── 0433_lru-cache_1_AC.cpp
    │   ├── 2919_two-sum_1_AC.cpp
    │   ├── 2920_longest-substring-without-repeating-characters_1_AC.cpp
    │   ├── 2921_3sum_1_AC.cpp
    │   ├── 2922_pascals-triangle_1_AC.cpp
    │   ├── 2923_integer-to-english-words_1_AC.cpp
    │   ├── 2924_subarray-sum-equals-k_1_AC.cpp
    │   ├── 2925_candy-crush_1_AC.py
    │   ├── 2926_merge-two-sorted-lists_1_AC.cpp
    │   ├── 2927_reverse-linked-list-ii_1_AC.cpp
    │   ├── 2928_copy-list-with-random-pointer_1_AC.cpp
    │   ├── 2929_add-two-numbers-ii_1_AC.cpp
    │   ├── 2930_construct-binary-tree-from-preorder-and-inorder-traversal_1_AC.cpp
    │   ├── 2931_flatten-binary-tree-to-linked-list_1_AC.cpp
    │   ├── 2932_binary-tree-right-side-view_1_AC.cpp
    │   ├── 2933_decode-string_1_AC.cpp
    │   ├── 2934_flatten-a-multilevel-doubly-linked-list_1_AC.py
    │   ├── 2935_meeting-rooms-ii_1_AC.cpp
    │   ├── 2936_top-k-frequent-words_1_AC.cpp
    │   ├── 2937_median-of-two-sorted-arrays_1_AC.cpp
    │   ├── 2938_merge-intervals_1_AC.cpp
    │   ├── 2939_valid-anagram_1_AC.cpp
    │   ├── 2940_longest-palindromic-substring_1_AC.cpp
    │   ├── 2941_maximum-subarray_1_AC.py
    │   ├── 2942_reverse-integer_1_AC.cpp
    │   └── 2943_word-search_1_AC.cpp
    ├── data-structure-tree
    │   ├── 0535_maximum-depth-of-binary-tree_1_AC.cpp
    │   ├── 0536_symmetric-tree_1_AC.cpp
    │   ├── 0537_path-sum_1_AC.cpp
    │   ├── 0538_count-univalue-subtrees_1_AC.cpp
    │   ├── 0928_binary-tree-preorder-traversal_1_AC.cpp
    │   ├── 0929_binary-tree-inorder-traversal_1_AC.cpp
    │   ├── 0930_binary-tree-postorder-traversal_1_AC.cpp
    │   ├── 0931_binary-tree-level-order-traversal_1_AC.cpp
    │   ├── 0932_lowest-common-ancestor-of-a-binary-tree_1_AC.py
    │   ├── 0942_construct-binary-tree-from-inorder-and-postorder-traversal_1_AC.cpp
    │   ├── 0943_construct-binary-tree-from-preorder-and-inorder-traversal_1_AC.cpp
    │   ├── 0994_populating-next-right-pointers-in-each-node_1_AC.cpp
    │   ├── 0995_serialize-and-deserialize-binary-tree_1_AC.cpp
    │   └── 1016_populating-next-right-pointers-in-each-node-ii_1_AC.cpp
    ├── decision-tree
    │   ├── 2650_calculate-entropy_1_AC.py
    │   └── 2651_calculate-maximum-information-gain_1_AC.py
    ├── facebook
    │   ├── 0262_move-zeros_1_AC.py
    │   ├── 0263_add-binary_1_AC.cpp
    │   ├── 0264_decode-ways_1_AC.cpp
    │   ├── 0266_validate-binary-search-tree_1_AC.cpp
    │   ├── 0267_letter-combinations-of-a-phone-number_1_AC.cpp
    │   ├── 0268_read-n-characters-given-read4_1_AC.cpp
    │   ├── 0269_read-n-characters-given-read4-ii-call-multiple-times_1_AC.cpp
    │   ├── 0270_intersection-of-two-arrays-ii_1_AC.cpp
    │   ├── 0271_serialize-and-deserialize-binary-tree_1_AC.cpp
    │   ├── 0272_first-bad-version_1_AC.cpp
    │   ├── 0273_integer-to-english-words_1_AC.cpp
    │   ├── 0274_number-of-islands_1_AC.py
    │   ├── 0277_clone-graph_1_AC.cpp
    │   ├── 0278_subsets_1_AC.cpp
    │   ├── 0279_search-in-rotated-sorted-array_1_AC.py
    │   ├── 0280_binary-tree-paths_1_AC.cpp
    │   ├── 0283_3sum_1_AC.cpp
    │   ├── 0285_minimum-window-substring_1_AC.cpp
    │   ├── 0288_valid-palindrome_1_AC.cpp
    │   ├── 0289_valid-palindrome-ii_1_AC.cpp
    │   ├── 0291_diameter-of-binary-tree_1_AC.py
    │   ├── 0292_permutations_1_AC.cpp
    │   ├── 0293_permutations-ii_1_AC.cpp
    │   ├── 0298_binary-tree-vertical-order-traversal_1_AC.cpp
    │   ├── 0300_add-and-search-word-data-structure-design_1_AC.cpp
    │   ├── 0301_merge-two-sorted-lists_1_AC.cpp
    │   ├── 0303_binary-search-tree-iterator_1_AC.cpp
    │   ├── 0304_best-time-to-buy-and-sell-stock_1_AC.cpp
    │   ├── 0307_regular-expression-matching_1_AC.py
    │   ├── 0308_divide-two-integers_1_AC.cpp
    │   ├── 0309_merge-sorted-array_1_AC.cpp
    │   ├── 0310_merge-intervals_1_AC.cpp
    │   ├── 0311_lru-cache_1_AC.cpp
    │   ├── 0314_second-highest-salary_1_AC.sql
    │   ├── 0315_nth-highest-salary_1_AC.sql
    │   ├── 0316_customers-who-never-order_1_AC.sql
    │   ├── 0317_department-top-three-salaries_1_AC.sql
    │   ├── 0319_add-two-numbers_1_AC.cpp
    │   ├── 0322_flatten-binary-tree-to-linked-list_1_AC.cpp
    │   ├── 0324_remove-invalid-parentheses_1_AC.cpp
    │   ├── 0326_friend-requests-i-overall-acceptance-rate_1_AC.sql
    │   ├── 0327_friend-requests-ii-who-has-the-most-friends_1_AC.sql
    │   ├── 0544_convert-binary-search-tree-to-sorted-doubly-linked-list_1_AC.py
    │   ├── 3008_longest-substring-without-repeating-characters_1_AC.cpp
    │   ├── 3009_string-to-integer-atoi_1_AC.cpp
    │   ├── 3010_roman-to-integer_1_AC.cpp
    │   ├── 3011_remove-duplicates-from-sorted-array_1_AC.cpp
    │   ├── 3012_next-permutation_1_AC.cpp
    │   ├── 3013_multiply-strings_1_AC.cpp
    │   ├── 3014_group-anagrams_1_AC.py
    │   ├── 3015_one-edit-distance_1_AC.cpp
    │   ├── 3016_product-of-array-except-self_1_AC.py
    │   ├── 3017_longest-substring-with-at-most-k-distinct-characters_1_AC.cpp
    │   ├── 3018_validate-ip-address_1_AC.cpp
    │   ├── 3019_subarray-sum-equals-k_1_AC.py
    │   ├── 3020_copy-list-with-random-pointer_1_AC.cpp
    │   ├── 3021_reorder-list_1_AC.cpp
    │   ├── 3022_binary-tree-maximum-path-sum_1_AC.cpp
    │   ├── 3023_binary-tree-right-side-view_1_AC.cpp
    │   ├── 3024_lowest-common-ancestor-of-a-binary-tree_1_AC.py
    │   ├── 3025_alien-dictionary_1_AC.cpp
    │   ├── 3026_shortest-distance-from-all-buildings_1_AC.cpp
    │   ├── 3027_accounts-merge_1_AC.py
    │   ├── 3028_is-graph-bipartite_1_AC.py
    │   ├── 3029_strobogrammatic-number-ii_1_AC.cpp
    │   ├── 3030_find-first-and-last-position-of-element-in-sorted-array_1_AC.cpp
    │   ├── 3031_powx-n_1_AC.cpp
    │   ├── 3032_find-peak-element_1_AC.cpp
    │   ├── 3033_intersection-of-two-arrays_1_AC.cpp
    │   ├── 3034_longest-palindromic-substring_1_AC.cpp
    │   ├── 3035_longest-valid-parentheses_1_AC.cpp
    │   ├── 3036_word-break_1_AC.cpp
    │   ├── 3037_range-sum-query-2d-immutable_1_AC.cpp
    │   ├── 3038_continuous-subarray-sum_1_AC.cpp
    │   ├── 3039_expression-add-operators_1_AC.cpp
    │   ├── 3040_find-all-anagrams-in-a-string_1_AC.cpp
    │   ├── 3041_permutation-in-string_1_AC.cpp
    │   ├── 3042_verifying-an-alien-dictionary_1_AC.py
    │   └── 3043_interval-list-intersections_1_AC.py
    ├── fun-with-arrays
    │   ├── 3157_move-zeros_1_AC.py
    │   ├── 3228_height-checker_1_AC.py
    │   ├── 3230_max-consecutive-ones-ii_1_AC.cpp
    │   ├── 3231_third-maximum-number_1_AC.cpp
    │   ├── 3237_find-numbers-with-even-number-of-digits_1_AC.cpp
    │   ├── 3238_max-consecutive-ones_1_AC.cpp
    │   ├── 3240_squares-of-a-sorted-array_1_AC.py
    │   ├── 3245_duplicate-zeros_1_AC.py
    │   ├── 3247_remove-element_1_AC.cpp
    │   ├── 3248_remove-duplicates-from-sorted-array_1_AC.cpp
    │   ├── 3250_check-if-n-and-its-double-exist_1_AC.py
    │   ├── 3251_valid-mountain-array_1_AC.py
    │   ├── 3253_merge-sorted-array_1_AC.py
    │   ├── 3258_remove-duplicates-from-sorted-array_1_AC.cpp
    │   ├── 3259_replace-elements-with-greatest-element-on-right-side_1_AC.py
    │   ├── 3260_sort-array-by-parity_1_AC.py
    │   ├── 3261_squares-of-a-sorted-array_1_AC.py
    │   └── 3270_find-all-numbers-disappeared-in-an-array_1_AC.cpp
    ├── google
    │   ├── 0331_evaluate-division_1_AC.cpp
    │   ├── 0339_plus-one_1_AC.cpp
    │   ├── 0341_trapping-rain-water_1_AC.cpp
    │   ├── 0342_merge-k-sorted-lists_1_AC.cpp
    │   ├── 0345_minimum-window-substring_1_AC.cpp
    │   ├── 0361_kth-largest-element-in-an-array_1_AC.cpp
    │   ├── 0370_word-squares_1_AC.cpp
    │   ├── 0399_strobogrammatic-number-ii_1_AC.cpp
    │   ├── 0436_read-n-characters-given-read4-ii-call-multiple-times_1_AC.cpp
    │   ├── 0445_insert-interval_1_AC.cpp
    │   ├── 0450_merge-intervals_1_AC.cpp
    │   ├── 0451_longest-palindromic-substring_1_AC.cpp
    │   ├── 0462_word-search-ii_1_AC.cpp
    │   ├── 0467_valid-parentheses_1_AC.cpp
    │   ├── 0471_next-closest-time_1_AC.py
    │   ├── 0472_license-key-formatting_1_AC.py
    │   ├── 0477_range-sum-query-2d-mutable_1_AC.cpp
    │   ├── 0484_android-unlock-patterns_1_AC.cpp
    │   ├── 1340_robot-room-cleaner_1_AC.py
    │   ├── 3044_unique-email-addresses_1_AC.py
    │   ├── 3045_odd-even-jump_1_AC.py
    │   ├── 3046_fruit-into-baskets_1_AC.py
    │   ├── 3047_longest-substring-without-repeating-characters_1_AC.cpp
    │   ├── 3048_container-with-most-water_1_AC.cpp
    │   ├── 3049_3sum_1_AC.cpp
    │   ├── 3050_next-permutation_1_AC.cpp
    │   ├── 3051_multiply-strings_1_AC.cpp
    │   ├── 3052_rotate-image_1_AC.cpp
    │   ├── 3053_jump-game_1_AC.cpp
    │   ├── 3054_longest-substring-with-at-most-two-distinct-characters_1_AC.cpp
    │   ├── 3055_missing-ranges_1_AC.cpp
    │   ├── 3056_expressive-words_1_AC.py
    │   ├── 3057_find-and-replace-in-string_1_AC.py
    │   ├── 3058_maximize-distance-to-closest-person_1_AC.py
    │   ├── 3059_meeting-rooms-ii_1_AC.cpp
    │   ├── 3060_backspace-string-compare_1_AC.py
    │   ├── 3061_minimum-cost-to-hire-k-workers_1_AC.py
    │   ├── 3062_k-closest-points-to-origin_1_AC.py
    │   ├── 3063_add-two-numbers_1_AC.cpp
    │   ├── 3064_remove-nth-node-from-end-of-list_1_AC.cpp
    │   ├── 3065_merge-two-sorted-lists_1_AC.cpp
    │   ├── 3066_copy-list-with-random-pointer_1_AC.cpp
    │   ├── 3067_binary-tree-maximum-path-sum_1_AC.cpp
    │   ├── 3068_word-ladder_1_AC.cpp
    │   ├── 3069_number-of-islands_1_AC.cpp
    │   ├── 3070_course-schedule-ii_1_AC.cpp
    │   ├── 3071_count-complete-tree-nodes_1_AC.cpp
    │   ├── 3072_longest-increasing-path-in-a-matrix_1_AC.cpp
    │   ├── 3073_decode-string_1_AC.cpp
    │   ├── 3074_diameter-of-binary-tree_1_AC.cpp
    │   ├── 3075_cracking-the-safe_1_AC.py
    │   ├── 3076_most-stones-removed-with-same-row-or-column_1_AC.py
    │   ├── 3077_flip-equivalent-binary-trees_1_AC.py
    │   ├── 3078_letter-combinations-of-a-phone-number_1_AC.cpp
    │   ├── 3079_generate-parentheses_1_AC.cpp
    │   ├── 3080_median-of-two-sorted-arrays_1_AC.cpp
    │   ├── 3081_find-first-and-last-position-of-element-in-sorted-array_1_AC.cpp
    │   ├── 3082_valid-anagram_1_AC.cpp
    │   ├── 3083_count-of-smaller-numbers-after-self_1_AC.cpp
    │   ├── 3084_peak-index-in-a-mountain-array_1_AC.py
    │   ├── 3085_maximum-subarray_1_AC.py
    │   ├── 3086_best-time-to-buy-and-sell-stock_1_AC.cpp
    │   ├── 3087_maximum-product-subarray_1_AC.cpp
    │   ├── 3088_coin-change_1_AC.cpp
    │   ├── 3089_split-array-largest-sum_1_AC.cpp
    │   ├── 3090_lru-cache_1_AC.cpp
    │   ├── 3091_min-stack_1_AC.cpp
    │   ├── 3092_serialize-and-deserialize-binary-tree_1_AC.cpp
    │   ├── 3093_logger-rate-limiter_1_AC.cpp
    │   ├── 3094_insert-delete-getrandom-o1_1_AC.cpp
    │   ├── 3095_design-search-autocomplete-system_1_AC.py
    │   ├── 3096_reverse-integer_1_AC.cpp
    │   ├── 3097_candy_1_AC.cpp
    │   ├── 3098_isomorphic-strings_1_AC.cpp
    │   ├── 3099_strobogrammatic-number_1_AC.cpp
    │   ├── 3100_bulls-and-cows_1_AC.cpp
    │   ├── 3101_my-calendar-ii_1_AC.py
    │   ├── 3102_jewels-and-stones_1_AC.cpp
    │   ├── 3103_swap-adjacent-in-lr-string_1_AC.py
    │   ├── 3104_guess-the-word_1_AC.py
    │   └── 3105_minimum-area-rectangle_1_AC.py
    ├── hash-table
    │   ├── 1105_intersection-of-two-arrays_1_AC.cpp
    │   ├── 1112_contains-duplicate_1_AC.cpp
    │   ├── 1115_two-sum_1_AC.cpp
    │   ├── 1117_isomorphic-strings_1_AC.cpp
    │   ├── 1120_first-unique-character-in-a-string_1_AC.cpp
    │   ├── 1121_contains-duplicate-ii_1_AC.cpp
    │   ├── 1122_logger-rate-limiter_1_AC.cpp
    │   ├── 1124_group-anagrams_1_AC.py
    │   ├── 1125_group-shifted-strings_1_AC.cpp
    │   ├── 1126_valid-sudoku_1_AC.cpp
    │   ├── 1127_find-duplicate-subtrees_1_AC.cpp
    │   ├── 1131_happy-number_1_AC.py
    │   ├── 1133_top-k-frequent-elements_1_AC.cpp
    │   ├── 1134_4sum-ii_1_AC.cpp
    │   ├── 1135_longest-substring-without-repeating-characters_1_AC.cpp
    │   ├── 1136_jewels-and-stones_1_AC.cpp
    │   ├── 1137_unique-word-abbreviation_1_AC.cpp
    │   ├── 1139_design-hashset_1_AC.cpp
    │   ├── 1140_design-hashmap_1_AC.cpp
    │   ├── 1141_insert-delete-getrandom-o1_1_AC.cpp
    │   ├── 1176_single-number_1_AC.py
    │   ├── 1177_minimum-index-sum-of-two-lists_1_AC.cpp
    │   ├── 1178_intersection-of-two-arrays-ii_1_AC.cpp
    │   └── 1179_two-sum-iii-data-structure-design_1_AC.py
    ├── introduction-to-data-structure-binary-search-tree
    │   ├── 0997_validate-binary-search-tree_1_AC.cpp
    │   ├── 0998_inorder-successor-in-bst_1_AC.cpp
    │   ├── 1000_search-in-a-binary-search-tree_1_AC.cpp
    │   ├── 1003_insert-into-a-binary-search-tree_1_AC.py
    │   ├── 1006_delete-node-in-a-bst_1_AC.cpp
    │   ├── 1008_binary-search-tree-iterator_1_AC.cpp
    │   ├── 1012_lowest-common-ancestor-of-a-binary-search-tree_1_AC.cpp
    │   ├── 1013_contains-duplicate-iii_1_AC.cpp
    │   ├── 1015_convert-sorted-array-to-binary-search-tree_1_AC.cpp
    │   ├── 1018_kth-largest-element-in-a-stream_1_AC.cpp
    │   └── 1027_balanced-binary-tree_1_AC.cpp
    ├── linked-list
    │   ├── 1205_reverse-linked-list_1_AC.cpp
    │   ├── 1207_remove-linked-list-elements_1_AC.cpp
    │   ├── 1208_odd-even-linked-list_1_AC.cpp
    │   ├── 1209_palindrome-linked-list_1_AC.cpp
    │   ├── 1212_linked-list-cycle_1_AC.cpp
    │   ├── 1214_linked-list-cycle-ii_1_AC.cpp
    │   ├── 1215_intersection-of-two-linked-lists_1_AC.cpp
    │   ├── 1225_flatten-a-multilevel-doubly-linked-list_1_AC.py
    │   ├── 1226_insert-into-a-cyclic-sorted-list_1_AC.py
    │   ├── 1227_merge-two-sorted-lists_1_AC.cpp
    │   ├── 1228_add-two-numbers_1_AC.cpp
    │   ├── 1229_copy-list-with-random-pointer_1_AC.cpp
    │   ├── 1290_design-linked-list_1_AC.cpp
    │   ├── 1294_design-linked-list_1_AC.cpp
    │   ├── 1295_rotate-list_1_AC.cpp
    │   └── 1296_remove-nth-node-from-end-of-list_1_AC.cpp
    ├── linkedin
    │   ├── 1958_valid-parentheses_1_AC.cpp
    │   ├── 1959_evaluate-reverse-polish-notation_1_AC.cpp
    │   ├── 1961_exclusive-time-of-functions_1_AC.cpp
    │   ├── 1962_permutations_1_AC.cpp
    │   ├── 1963_permutations-ii_1_AC.cpp
    │   ├── 1964_factor-combinations_1_AC.cpp
    │   ├── 1965_powx-n_1_AC.cpp
    │   ├── 1966_merge-intervals_1_AC.cpp
    │   ├── 1968_valid-number_1_AC.cpp
    │   ├── 1969_text-justification_1_AC.cpp
    │   ├── 1970_minimum-window-substring_1_AC.cpp
    │   ├── 1971_shortest-word-distance_1_AC.cpp
    │   ├── 1972_can-place-flowers_1_AC.cpp
    │   ├── 1973_edit-distance_1_AC.cpp
    │   ├── 1974_maximum-product-subarray_1_AC.cpp
    │   ├── 1975_paint-house-ii_1_AC.cpp
    │   ├── 1978_partition-to-k-equal-sum-subsets_1_AC.cpp
    │   ├── 1981_binary-tree-level-order-traversal_1_AC.cpp
    │   ├── 1983_word-ladder_1_AC.cpp
    │   ├── 1984_binary-tree-upside-down_1_AC.cpp
    │   ├── 1985_number-of-islands_1_AC.py
    │   ├── 1986_lowest-common-ancestor-of-a-binary-search-tree_1_AC.cpp
    │   ├── 1987_lowest-common-ancestor-of-a-binary-tree_1_AC.py
    │   ├── 1989_closest-binary-search-tree-value-ii_1_AC.cpp
    │   ├── 1991_nested-list-weight-sum_1_AC.cpp
    │   ├── 1992_nested-list-weight-sum-ii_1_AC.cpp
    │   ├── 1993_find-leaves-of-binary-tree_1_AC.cpp
    │   ├── 1996_second-minimum-node-in-a-binary-tree_1_AC.cpp
    │   ├── 1999_isomorphic-strings_1_AC.cpp
    │   ├── 2000_two-sum-iii-data-structure-design_1_AC.py
    │   ├── 2001_shortest-word-distance-ii_1_AC.cpp
    │   ├── 2002_serialize-and-deserialize-binary-tree_1_AC.cpp
    │   ├── 2003_flatten-nested-list-iterator_1_AC.cpp
    │   ├── 2004_insert-delete-getrandom-o1_1_AC.cpp
    │   ├── 2005_all-oone-data-structure_1_AC.cpp
    │   ├── 2006_max-stack_1_AC.py
    │   ├── 2007_design-hashmap_1_AC.cpp
    │   ├── 2907_two-sum_1_AC.cpp
    │   ├── 2908_integer-to-english-words_1_AC.cpp
    │   ├── 2909_find-the-celebrity_1_AC.cpp
    │   ├── 2910_combination-sum_1_AC.cpp
    │   ├── 2911_search-in-rotated-sorted-array_1_AC.py
    │   ├── 2912_find-first-and-last-position-of-element-in-sorted-array_1_AC.cpp
    │   ├── 2913_sqrtx_1_AC.cpp
    │   ├── 2914_random-pick-with-weight_1_AC.py
    │   ├── 2915_kth-largest-element-in-an-array_1_AC.cpp
    │   ├── 2916_maximum-subarray_1_AC.py
    │   ├── 2917_paint-house_1_AC.cpp
    │   └── 2918_maximum-depth-of-binary-tree_1_AC.cpp
    ├── microsoft
    │   ├── 0152_validate-binary-search-tree_1_AC.cpp
    │   ├── 0153_binary-tree-inorder-traversal_1_AC.cpp
    │   ├── 0154_search-a-2d-matrix_1_AC.cpp
    │   ├── 0155_wildcard-matching_1_AC.cpp
    │   ├── 0156_longest-increasing-subsequence_1_AC.cpp
    │   ├── 0157_the-skyline-problem_1_AC.cpp
    │   ├── 0161_lru-cache_1_AC.cpp
    │   ├── 0162_valid-palindrome_1_AC.cpp
    │   ├── 0163_populating-next-right-pointers-in-each-node-ii_1_AC.cpp
    │   ├── 0164_binary-tree-level-order-traversal_1_AC.cpp
    │   ├── 0165_letter-combinations-of-a-phone-number_1_AC.cpp
    │   ├── 0166_reverse-words-in-a-string_1_AC.cpp
    │   ├── 0168_copy-list-with-random-pointer_1_AC.cpp
    │   ├── 0169_reverse-linked-list_1_AC.cpp
    │   ├── 0170_add-two-numbers_1_AC.cpp
    │   ├── 0171_string-to-integer-atoi_1_AC.cpp
    │   ├── 0173_two-sum_1_AC.cpp
    │   ├── 0174_maximum-subarray_1_AC.py
    │   ├── 0175_merge-two-sorted-lists_1_AC.cpp
    │   ├── 0178_spiral-matrix_1_AC.cpp
    │   ├── 0179_valid-parentheses_1_AC.cpp
    │   ├── 0180_longest-palindromic-substring_1_AC.cpp
    │   ├── 0181_lowest-common-ancestor-of-a-binary-tree_1_AC.py
    │   ├── 0182_lowest-common-ancestor-of-a-binary-search-tree_1_AC.cpp
    │   ├── 0183_excel-sheet-column-number_1_AC.cpp
    │   ├── 0184_linked-list-cycle_1_AC.cpp
    │   ├── 0185_number-of-islands_1_AC.cpp
    │   ├── 0186_best-time-to-buy-and-sell-stock_1_AC.cpp
    │   ├── 0187_reverse-string_1_AC.cpp
    │   ├── 0188_integer-to-english-words_1_AC.cpp
    │   ├── 0189_regular-expression-matching_1_AC.py
    │   ├── 0191_search-in-rotated-sorted-array_1_AC.cpp
    │   ├── 0192_populating-next-right-pointers-in-each-node_1_AC.cpp
    │   ├── 0193_sort-colors_1_AC.cpp
    │   ├── 0194_find-the-celebrity_1_AC.cpp
    │   ├── 0195_search-a-2d-matrix-ii_1_AC.cpp
    │   ├── 0196_construct-binary-tree-from-preorder-and-inorder-traversal_1_AC.cpp
    │   ├── 0197_binary-tree-zigzag-level-order-traversal_1_AC.cpp
    │   ├── 0198_roman-to-integer_1_AC.cpp
    │   ├── 0200_group-anagrams_1_AC.py
    │   ├── 0201_serialize-and-deserialize-binary-tree_1_AC.cpp
    │   ├── 0202_rotate-image_1_AC.cpp
    │   ├── 0203_set-matrix-zeroes_1_AC.cpp
    │   ├── 0205_add-two-numbers-ii_1_AC.cpp
    │   ├── 0206_find-minimum-in-rotated-sorted-array_1_AC.cpp
    │   ├── 0207_find-minimum-in-rotated-sorted-array-ii_1_AC.cpp
    │   ├── 0208_single-number_1_AC.py
    │   ├── 0209_merge-k-sorted-lists_1_AC.cpp
    │   ├── 0210_clone-graph_1_AC.cpp
    │   ├── 0211_trapping-rain-water_1_AC.cpp
    │   ├── 0212_intersection-of-two-linked-lists_1_AC.cpp
    │   ├── 0213_reverse-words-in-a-string-ii_1_AC.cpp
    │   ├── 0256_word-search-ii_1_AC.cpp
    │   ├── 0257_remove-duplicates-from-sorted-array_1_AC.cpp
    │   ├── 0258_merge-sorted-array_1_AC.cpp
    │   ├── 0890_median-of-two-sorted-arrays_1_AC.cpp
    │   ├── 0891_serialize-and-deserialize-bst_1_AC.cpp
    │   └── 0892_implement-trie-prefix-tree_1_AC.cpp
    ├── n-ary-tree
    │   ├── 0915_n-ary-tree-level-order-traversal_1_AC.cpp
    │   ├── 0919_maximum-depth-of-n-ary-tree_1_AC.cpp
    │   ├── 0920_encode-n-ary-tree-to-binary-tree_1_AC.py
    │   ├── 0924_serialize-and-deserialize-n-ary-tree_1_AC.py
    │   ├── 0925_n-ary-tree-preorder-traversal_1_AC.cpp
    │   └── 0926_n-ary-tree-postorder-traversal_1_AC.cpp
    ├── queue-stack
    │   ├── 1337_design-circular-queue_1_AC.py
    │   ├── 1360_min-stack_1_AC.py
    │   ├── 1361_valid-parentheses_1_AC.cpp
    │   ├── 1363_daily-temperatures_1_AC.py
    │   ├── 1368_moving-average-from-data-stream_1_AC.cpp
    │   ├── 1371_perfect-squares_1_AC.cpp
    │   ├── 1373_walls-and-gates_1_AC.cpp
    │   ├── 1374_number-of-islands_1_AC.py
    │   ├── 1375_open-the-lock_1_AC.py
    │   ├── 1379_decode-string_1_AC.cpp
    │   ├── 1380_number-of-islands_1_AC.py
    │   ├── 1383_binary-tree-inorder-traversal_1_AC.cpp
    │   ├── 1386_implement-queue-using-stacks_1_AC.cpp
    │   ├── 1387_implement-stack-using-queues_1_AC.cpp
    │   ├── 1388_01-matrix_1_AC.cpp
    │   ├── 1389_target-sum_1_AC.cpp
    │   ├── 1391_keys-and-rooms_1_AC.py
    │   ├── 1392_clone-graph_1_AC.cpp
    │   ├── 1393_flood-fill_1_AC.cpp
    │   └── 1394_evaluate-reverse-polish-notation_1_AC.cpp
    ├── recursion-i
    │   ├── 1440_reverse-string_1_AC.cpp
    │   ├── 1661_fibonacci-number_1_AC.cpp
    │   ├── 1662_climbing-stairs_1_AC.cpp
    │   ├── 1675_k-th-symbol-in-grammar_1_AC.py
    │   ├── 1681_swap-nodes-in-pairs_1_AC.cpp
    │   ├── 2375_maximum-depth-of-binary-tree_1_AC.cpp
    │   ├── 2378_reverse-linked-list_1_AC.cpp
    │   ├── 2380_powx-n_1_AC.cpp
    │   ├── 2382_merge-two-sorted-lists_1_AC.cpp
    │   ├── 2384_unique-binary-search-trees-ii_1_AC.cpp
    │   ├── 3233_search-in-a-binary-search-tree_1_AC.cpp
    │   └── 3234_pascals-triangle-ii_1_AC.cpp
    ├── recursion-ii
    │   ├── 2772_generate-parentheses_1_AC.cpp
    │   ├── 2774_binary-tree-inorder-traversal_1_AC.cpp
    │   ├── 2784_binary-tree-level-order-traversal_1_AC.cpp
    │   ├── 2794_robot-room-cleaner_1_AC.py
    │   ├── 2796_sudoku-solver_1_AC.cpp
    │   ├── 2798_combinations_1_AC.cpp
    │   ├── 2804_n-queens-ii_1_AC.cpp
    │   ├── 2872_search-a-2d-matrix-ii_1_AC.cpp
    │   ├── 2874_validate-binary-search-tree_1_AC.cpp
    │   ├── 2894_same-tree_1_AC.cpp
    │   ├── 2899_convert-binary-search-tree-to-sorted-doubly-linked-list_1_AC.py
    │   ├── 2901_largest-rectangle-in-histogram_1_AC.cpp
    │   ├── 2903_permutations_1_AC.cpp
    │   ├── 2905_letter-combinations-of-a-phone-number_1_AC.cpp
    │   ├── 2944_sort-an-array_1_AC.py
    │   └── 3006_the-skyline-problem_1_AC.cpp
    ├── top-interview-questions-easy
    │   ├── 0546_two-sum_1_AC.cpp
    │   ├── 0549_single-number_1_AC.cpp
    │   ├── 0553_delete-node-in-a-linked-list_1_AC.cpp
    │   ├── 0555_maximum-depth-of-binary-tree_1_AC.cpp
    │   ├── 0559_plus-one_1_AC.cpp
    │   ├── 0560_reverse-linked-list_1_AC.cpp
    │   ├── 0562_min-stack_1_AC.cpp
    │   ├── 0564_best-time-to-buy-and-sell-stock-ii_1_AC.cpp
    │   ├── 0565_number-of-1-bits_1_AC.cpp
    │   ├── 0566_maximum-subarray_1_AC.cpp
    │   ├── 0567_move-zeroes_1_AC.cpp
    │   ├── 0569_climbing-stairs_1_AC.cpp
    │   ├── 0572_best-time-to-buy-and-sell-stock_1_AC.cpp
    │   ├── 0576_house-robber_1_AC.cpp
    │   ├── 0578_contains-duplicate_1_AC.cpp
    │   ├── 0587_merge-sorted-array_1_AC.cpp
    │   ├── 0601_pascals-triangle_1_AC.cpp
    │   ├── 0603_remove-nth-node-from-end-of-list_1_AC.cpp
    │   ├── 0625_validate-binary-search-tree_1_AC.cpp
    │   ├── 0627_symmetric-tree_1_AC.cpp
    │   ├── 0628_binary-tree-level-order-traversal_2_AC.cpp
    │   ├── 0631_convert-sorted-array-to-binary-search-tree_1_AC.cpp
    │   ├── 0646_rotate-array_1_AC.cpp
    │   ├── 0648_reverse-bits_1_AC.cpp
    │   ├── 0670_shuffle-an-array_1_AC.cpp
    │   ├── 0674_intersection-of-two-arrays-ii_1_AC.cpp
    │   ├── 0721_valid-parentheses_1_AC.cpp
    │   ├── 0722_missing-number_1_AC.cpp
    │   ├── 0727_remove-duplicates-from-sorted-array_1_AC.cpp
    │   ├── 0743_fizz-buzz_1_AC.cpp
    │   ├── 0744_count-primes_1_AC.cpp
    │   ├── 0745_power-of-three_1_AC.cpp
    │   ├── 0762_hamming-distance_1_AC.cpp
    │   ├── 0769_valid-sudoku_1_AC.cpp
    │   ├── 0770_rotate-image_1_AC.cpp
    │   ├── 0771_merge-two-sorted-lists_1_AC.cpp
    │   ├── 0772_palindrome-linked-list_1_AC.cpp
    │   ├── 0773_linked-list-cycle_1_AC.cpp
    │   ├── 0774_first-bad-version_1_AC.cpp
    │   ├── 0878_roman-to-integer_1_AC.cpp
    │   ├── 0879_reverse-string_1_AC.cpp
    │   ├── 0880_reverse-integer_1_AC.cpp
    │   ├── 0881_first-unique-character-in-a-string_1_AC.cpp
    │   ├── 0882_valid-anagram_1_AC.cpp
    │   ├── 0883_valid-palindrome_1_AC.cpp
    │   ├── 0884_string-to-integer-atoi_1_AC.cpp
    │   ├── 0885_implement-strstr_1_AC.cpp
    │   ├── 0886_count-and-say_1_AC.cpp
    │   └── 0887_longest-common-prefix_1_AC.cpp
    ├── top-interview-questions-hard
    │   ├── 0827_product-of-array-except-self_1_AC.py
    │   ├── 0828_spiral-matrix_1_AC.cpp
    │   ├── 0829_4sum-ii_1_AC.cpp
    │   ├── 0830_container-with-most-water_1_AC.cpp
    │   ├── 0831_game-of-life_1_AC.cpp
    │   ├── 0832_first-missing-positive_1_AC.cpp
    │   ├── 0833_longest-consecutive-sequence_1_AC.cpp
    │   ├── 0834_find-the-duplicate-number_1_AC.cpp
    │   ├── 0835_longest-substring-with-at-most-k-distinct-characters_1_AC.cpp
    │   ├── 0836_basic-calculator-ii_1_AC.cpp
    │   ├── 0837_sliding-window-maximum_1_AC.cpp
    │   ├── 0838_minimum-window-substring_1_AC.cpp
    │   ├── 0839_merge-k-sorted-lists_1_AC.cpp
    │   ├── 0840_sort-list_1_AC.cpp
    │   ├── 0841_copy-list-with-random-pointer_1_AC.cpp
    │   ├── 0842_word-ladder_1_AC.cpp
    │   ├── 0843_surrounded-regions_1_AC.cpp
    │   ├── 0844_lowest-common-ancestor-of-a-binary-tree_1_AC.py
    │   ├── 0845_binary-tree-maximum-path-sum_1_AC.cpp
    │   ├── 0846_friend-circles_1_AC.cpp
    │   ├── 0847_course-schedule_1_AC.cpp
    │   ├── 0848_course-schedule-ii_1_AC.cpp
    │   ├── 0849_longest-increasing-path-in-a-matrix_1_AC.cpp
    │   ├── 0850_alien-dictionary_1_AC.cpp
    │   ├── 0851_count-of-smaller-numbers-after-self_1_AC.cpp
    │   ├── 0852_palindrome-partitioning_1_AC.cpp
    │   ├── 0853_word-search-ii_1_AC.cpp
    │   ├── 0854_remove-invalid-parentheses_1_AC.cpp
    │   ├── 0855_wildcard-matching_1_AC.cpp
    │   ├── 0856_regular-expression-matching_1_AC.py
    │   ├── 0857_wiggle-sort-ii_1_AC.cpp
    │   ├── 0858_kth-smallest-element-in-a-sorted-matrix_1_AC.cpp
    │   ├── 0859_median-of-two-sorted-arrays_1_AC.cpp
    │   ├── 0860_maximum-product-subarray_1_AC.cpp
    │   ├── 0861_decode-ways_1_AC.cpp
    │   ├── 0862_best-time-to-buy-and-sell-stock-with-cooldown_1_AC.cpp
    │   ├── 0863_perfect-squares_1_AC.cpp
    │   ├── 0864_word-break_1_AC.cpp
    │   ├── 0865_word-break-ii_1_AC.cpp
    │   ├── 0866_burst-balloons_1_AC.cpp
    │   ├── 0867_lru-cache_1_AC.py
    │   ├── 0868_implement-trie-prefix-tree_1_AC.cpp
    │   ├── 0869_flatten-nested-list-iterator_1_AC.cpp
    │   ├── 0870_find-median-from-data-stream_1_AC.cpp
    │   ├── 0871_range-sum-query-2d-mutable_1_AC.cpp
    │   ├── 0872_largest-number_1_AC.cpp
    │   ├── 0873_max-points-on-a-line_1_AC.cpp
    │   ├── 0874_queue-reconstruction-by-height_1_AC.py
    │   ├── 0875_trapping-rain-water_1_AC.cpp
    │   ├── 0876_the-skyline-problem_1_AC.cpp
    │   └── 0877_largest-rectangle-in-histogram_1_AC.cpp
    ├── top-interview-questions-medium
    │   ├── 0776_3sum_1_AC.cpp
    │   ├── 0777_set-matrix-zeroes_1_AC.cpp
    │   ├── 0778_group-anagrams_1_AC.py
    │   ├── 0779_longest-substring-without-repeating-characters_1_AC.cpp
    │   ├── 0780_longest-palindromic-substring_1_AC.cpp
    │   ├── 0781_increasing-triplet-subsequence_1_AC.cpp
    │   ├── 0782_missing-ranges_1_AC.cpp
    │   ├── 0783_add-two-numbers_1_AC.cpp
    │   ├── 0784_odd-even-linked-list_1_AC.cpp
    │   ├── 0785_intersection-of-two-linked-lists_1_AC.cpp
    │   ├── 0786_binary-tree-inorder-traversal_1_AC.cpp
    │   ├── 0787_binary-tree-zigzag-level-order-traversal_1_AC.cpp
    │   ├── 0788_construct-binary-tree-from-preorder-and-inorder-traversal_1_AC.cpp
    │   ├── 0789_populating-next-right-pointers-in-each-node_1_AC.cpp
    │   ├── 0790_kth-smallest-element-in-a-bst_1_AC.cpp
    │   ├── 0791_inorder-successor-in-bst_1_AC.cpp
    │   ├── 0792_number-of-islands_1_AC.py
    │   ├── 0793_letter-combinations-of-a-phone-number_1_AC.cpp
    │   ├── 0794_generate-parentheses_1_AC.cpp
    │   ├── 0795_permutations_1_AC.cpp
    │   ├── 0796_subsets_1_AC.cpp
    │   ├── 0797_word-search_1_AC.cpp
    │   ├── 0798_sort-colors_1_AC.cpp
    │   ├── 0799_top-k-frequent-elements_1_AC.cpp
    │   ├── 0800_kth-largest-element-in-an-array_1_AC.cpp
    │   ├── 0801_find-peak-element_1_AC.cpp
    │   ├── 0802_search-for-a-range_1_AC.cpp
    │   ├── 0803_merge-intervals_1_AC.cpp
    │   ├── 0804_search-in-rotated-sorted-array_1_AC.py
    │   ├── 0805_meeting-rooms-ii_1_AC.cpp
    │   ├── 0806_search-a-2d-matrix-ii_1_AC.cpp
    │   ├── 0807_jump-game_1_AC.py
    │   ├── 0808_unique-paths_1_AC.cpp
    │   ├── 0809_coin-change_1_AC.cpp
    │   ├── 0810_longest-increasing-subsequence_1_AC.cpp
    │   ├── 0811_flatten-2d-vector_1_AC.cpp
    │   ├── 0812_serialize-and-deserialize-binary-tree_1_AC.cpp
    │   ├── 0813_insert-delete-getrandom-o1_1_AC.cpp
    │   ├── 0814_design-tic-tac-toe_1_AC.cpp
    │   ├── 0815_happy-number_1_AC.py
    │   ├── 0816_factorial-trailing-zeroes_1_AC.cpp
    │   ├── 0817_excel-sheet-column-number_1_AC.cpp
    │   ├── 0818_powx-n_1_AC.cpp
    │   ├── 0819_sqrtx_1_AC.cpp
    │   ├── 0820_divide-two-integers_1_AC.cpp
    │   ├── 0821_fraction-to-recurring-decimal_1_AC.cpp
    │   ├── 0822_sum-of-two-integers_1_AC.cpp
    │   ├── 0823_evaluate-reverse-polish-notation_1_AC.cpp
    │   ├── 0824_majority-element_1_AC.cpp
    │   ├── 0825_find-the-celebrity_1_AC.cpp
    │   └── 0826_task-scheduler_1_AC.cpp
    ├── trie
    │   ├── 1047_implement-trie-prefix-tree_1_AC.cpp
    │   ├── 1052_add-and-search-word-data-structure-design_1_AC.cpp
    │   ├── 1053_replace-words_1_AC.cpp
    │   ├── 1054_design-search-autocomplete-system_1_AC.py
    │   ├── 1055_word-squares_1_AC.cpp
    │   ├── 1056_word-search-ii_1_AC.cpp
    │   ├── 1057_maximum-xor-of-two-numbers-in-an-array_1_AC.cpp
    │   ├── 1058_map-sum-pairs_1_AC.cpp
    │   └── 1138_palindrome-pairs_1_AC.py
    ├── uber
    │   ├── 1682_two-sum_1_AC.cpp
    │   ├── 1683_find-first-and-last-position-of-element-in-sorted-array_1_AC.cpp
    │   ├── 1684_group-anagrams_1_AC.py
    │   ├── 1685_text-justification_1_AC.cpp
    │   ├── 1686_minimum-window-substring_1_AC.cpp
    │   ├── 1687_validate-ip-address_1_AC.cpp
    │   ├── 1688_letter-combinations-of-a-phone-number_1_AC.cpp
    │   ├── 1689_subsets_1_AC.cpp
    │   ├── 1690_valid-sudoku_1_AC.cpp
    │   ├── 1691_candy_1_AC.cpp
    │   ├── 1692_fraction-to-recurring-decimal_1_AC.cpp
    │   ├── 1693_number-of-islands-ii_1_AC.cpp
    │   ├── 1694_random-pick-index_1_AC.cpp
    │   ├── 1695_encode-and-decode-tinyurl_1_AC.cpp
    │   ├── 1696_solve-the-equation_1_AC.cpp
    │   ├── 1697_construct-quad-tree_1_AC.cpp
    │   ├── 1698_random-pick-with-weight_1_AC.py
    │   ├── 1699_trapping-rain-water_1_AC.cpp
    │   ├── 1700_basic-calculator_1_AC.cpp
    │   ├── 1701_meeting-rooms-ii_1_AC.cpp
    │   ├── 1702_task-scheduler_1_AC.cpp
    │   ├── 1703_exclusive-time-of-functions_1_AC.cpp
    │   ├── 1704_employee-free-time_1_AC.py
    │   ├── 1705_merge-intervals_1_AC.cpp
    │   ├── 1706_word-ladder-ii_1_AC.cpp
    │   ├── 1707_number-of-islands_1_AC.py
    │   ├── 1708_walls-and-gates_1_AC.cpp
    │   ├── 1709_remove-invalid-parentheses_1_AC.cpp
    │   ├── 1710_24-game_1_AC.py
    │   ├── 1711_max-area-of-island_1_AC.cpp
    │   ├── 1712_bus-routes_1_AC.py
    │   ├── 1713_shortest-bridge_1_AC.py
    │   ├── 1714_word-break_1_AC.cpp
    │   ├── 1715_perfect-squares_1_AC.cpp
    │   ├── 1716_russian-doll-envelopes_1_AC.cpp
    │   ├── 1717_maximum-vacation-days_1_AC.py
    │   ├── 1718_cherry-pickup_1_AC.py
    │   ├── 1719_lru-cache_1_AC.py
    │   ├── 1720_serialize-and-deserialize-binary-tree_1_AC.cpp
    │   ├── 1721_moving-average-from-data-stream_1_AC.cpp
    │   ├── 1722_design-snake-game_1_AC.cpp
    │   ├── 1723_logger-rate-limiter_1_AC.cpp
    │   ├── 1724_design-hit-counter_1_AC.cpp
    │   ├── 1725_insert-delete-getrandom-o1-duplicates-allowed_1_AC.cpp
    │   ├── 1726_design-search-autocomplete-system_1_AC.py
    │   ├── 1727_reconstruct-itinerary_1_AC.cpp
    │   ├── 1728_evaluate-division_1_AC.cpp
    │   ├── 1729_find-duplicate-subtrees_1_AC.cpp
    │   ├── 1730_print-binary-tree_1_AC.cpp
    │   ├── 1731_serialize-and-deserialize-n-ary-tree_1_AC.py
    │   ├── 2486_merge-two-sorted-lists_1_AC.cpp
    │   └── 2487_merge-k-sorted-lists_1_AC.cpp
    └── yelp
    │   ├── 0087_two-sum_1_AC.cpp
    │   ├── 0093_longest-substring-without-repeating-characters_1_AC.cpp
    │   ├── 0216_group-anagrams_1_AC.py
    │   ├── 0217_minimum-index-sum-of-two-lists_1_AC.cpp
    │   ├── 0219_longest-common-prefix_1_AC.cpp
    │   ├── 0220_longest-palindromic-substring_1_AC.cpp
    │   ├── 0221_spiral-matrix_1_AC.cpp
    │   ├── 0222_copy-list-with-random-pointer_1_AC.cpp
    │   ├── 0223_integer-to-english-words_1_AC.cpp
    │   ├── 0224_letter-combinations-of-a-phone-number_1_AC.cpp
    │   ├── 0225_word-break_1_AC.cpp
    │   ├── 0226_lru-cache_1_AC.cpp
    │   ├── 0227_reconstruct-itinerary_1_AC.cpp
    │   ├── 0228_word-ladder_1_AC.cpp
    │   ├── 0229_best-time-to-buy-and-sell-stock_1_AC.cpp
    │   ├── 0232_isomorphic-strings_1_AC.cpp
    │   ├── 0234_sentence-screen-fitting_1_AC.cpp
    │   ├── 0235_regular-expression-matching_1_AC.py
    │   ├── 0238_course-schedule_1_AC.cpp
    │   ├── 0239_merge-two-sorted-lists_1_AC.cpp
    │   ├── 0248_generate-parentheses_1_AC.cpp
    │   ├── 0250_3sum_1_AC.cpp
    │   ├── 0252_merge-intervals_1_AC.cpp
    │   ├── 0253_meeting-rooms-ii_1_AC.cpp
    │   ├── 0255_top-k-frequent-words_1_AC.cpp
    │   ├── 0397_insert-delete-getrandom-o1_1_AC.cpp
    │   ├── 2945_merge-sorted-array_1_AC.cpp
    │   ├── 2946_pascals-triangle_1_AC.cpp
    │   ├── 2947_basic-calculator-ii_1_AC.cpp
    │   ├── 2948_product-of-array-except-self_1_AC.cpp
    │   ├── 2949_find-the-closest-palindrome_1_AC.cpp
    │   ├── 2950_number-of-islands_1_AC.cpp
    │   ├── 2951_combination-sum_1_AC.cpp
    │   ├── 2952_meeting-rooms_1_AC.cpp
    │   ├── 2953_random-pick-with-weight_1_AC.py
    │   ├── 2954_sliding-window-maximum_1_AC.cpp
    │   ├── 2955_top-k-frequent-elements_1_AC.cpp
    │   ├── 2956_maximum-subarray_1_AC.py
    │   ├── 2957_maximum-product-subarray_1_AC.cpp
    │   ├── 2958_maximal-square_1_AC.cpp
    │   ├── 2959_logger-rate-limiter_1_AC.cpp
    │   └── 2960_valid-square_1_AC.cpp
├── misc
    ├── add-difficulty.py
    ├── add-id.py
    ├── change-url.py
    └── solve-rate.py
├── mock
    ├── facbook-phone-202005160237
    │   ├── 1.docx
    │   ├── 1.pdf
    │   ├── 1_AC.py
    │   ├── 2.docx
    │   ├── 2.pdf
    │   ├── 2_AC.py
    │   ├── 3.docx
    │   ├── 3.pdf
    │   ├── 3_AC.py
    │   ├── result.docx
    │   └── result.pdf
    └── google-oa-202005160200
    │   ├── 1.docx
    │   ├── 1.pdf
    │   ├── 1_AC.py
    │   ├── 2.docx
    │   ├── 2.pdf
    │   ├── 2_AC.py
    │   ├── result.docx
    │   └── result.pdf
├── review
    ├── README.md
    ├── algorithms-review-0001-0500.md
    ├── algorithms-review-0501-1000.md
    ├── algorithms-review-1001-1500.md
    ├── algorithms-review-1501-2000.md
    ├── algorithms-review-2001-2500.md
    ├── algorithms-review-2501-3000.md
    ├── algorithms-review-3001-3500.md
    └── deprecated
    │   ├── algorithms-review-0001-0100.md
    │   ├── algorithms-review-0101-0200.md
    │   ├── algorithms-review-0201-0300.md
    │   ├── algorithms-review-0301-0400.md
    │   ├── algorithms-review-0401-0500.md
    │   ├── algorithms-review-0501-0600.md
    │   └── algorithms-review-0601-0700.md
└── shell
    ├── 0192_word-frequency_1_AC.sh
    ├── 0193_valid-phone-numbers_1_AC.sh
    ├── 0194_transpose-file_1_AC.sh
    └── 0195_tenth-line_1_AC.sh


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