├── .gitignore ├── README.md ├── SUMMARY.md ├── array ├── README.md ├── find_minimum_in_rotated_sorted_array.md ├── find_peak_element.md ├── largest_rectangle_in_histogram.md ├── maximal_rectangle.md ├── merge_sorted_array.md ├── palindrome_number.md ├── pascals_triangle.md ├── plus_one.md ├── remove_duplicates_from_sorted_array.md ├── remove_element.md ├── search_a_2d_matrix.md ├── search_for_a_range.md ├── search_insert_position.md └── sum.md ├── backtracking ├── README.md ├── combination.md ├── permutation.md └── subsets.md ├── bit_manipulation ├── README.md ├── missing_number.md ├── number_of_1_bits.md └── power_of_two.md ├── dynamic_programming ├── README.md ├── best_time_to_buy_and_sell_stock.md ├── climbing_stairs.md ├── maximum_subarray.md ├── perfect_squares.md ├── triangle.md ├── unique_binary_search_trees.md └── unique_paths.md ├── greedy ├── README.md ├── candy.md ├── gas_station.md ├── jump_game.md └── word_break.md ├── linked_list ├── README.md ├── add_two_numbers.md ├── copy_list_with_random_pointer.md ├── linked_list_cycle.md ├── merge_sorted_lists.md ├── partition_list.md ├── remove_duplicates_from_sorted_list.md ├── reorder_list.md ├── reverse_linked_list.md ├── rotate_list.md ├── sort_list.md └── swap_nodes_in_pairs.md ├── math ├── README.md └── reverse_integer.md ├── string ├── README.md ├── add_binary.md └── basic_calculator_2.md └── tree ├── README.md ├── balanced_binary_tree.md ├── binary_search_tree_iterator.md ├── binary_tree_depth_order_traversal.md ├── binary_tree_level_order_traversal.md ├── binary_tree_path.md ├── construct_binary_tree.md ├── convert_sorted_listarray_to_binary_search_tree.md ├── count_complete_tree_nodes.md ├── depth_of_binary_tree.md ├── flatten_binary_tree_to_linked_list.md ├── path_sum.md ├── path_sum_ii.md ├── populating_next_right_pointers_in_each_node.md ├── recover_binary_search_tree.md ├── same_tree.md ├── sum_root_to_leaf_numbers.md ├── symmetric_tree.md └── validate_binary_search_tree.md /.gitignore: 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