├── .gitignore ├── friends.dat ├── readme.md ├── res ├── MatrixListGraph.jpg ├── arraylist.jpg ├── binarysort.jpg ├── binarytree.jpg ├── bubblesort.jpg ├── complete.jpg ├── graph.png ├── hash.jpg ├── heapsort.jpg ├── insertsort1.jpg ├── insertsort2.jpg ├── linkedlist.jpg ├── list.png ├── mergesort.jpg ├── mergesort.png ├── quicksort.jpg ├── selectsort.jpg ├── stack.gif ├── stack_queue.png ├── stackqueue.png └── tree.png └── src ├── array ├── CrossLinkedSparseMatrix.java ├── CrossNode.java ├── DownTriangleMatrix.java ├── GGenList.java ├── GenList.java ├── GenListNode.java ├── LinkedSparseMatrix.java ├── Matrix.java ├── SeqSparseMatrix.java ├── Triple.java └── test │ ├── DownTriangleMatrix_ex.java │ ├── GenLiat_String.java │ ├── GenList_ex.java │ ├── Matrix_ex.java │ └── SeqSparseMatrix_ex.java ├── graph ├── AbstractGraph.java ├── AdjListGraph.java ├── AdjMatrixGraph.java ├── Edge.java ├── GGraph.java ├── Vertex.java └── test │ ├── MinSpanTreeG5.java │ ├── WeightedDirectedG6.java │ ├── WeightedDirectedGraph4.java │ └── WeightedUndiGraph3.java ├── leetcode_algorithm ├── q001_TwoSum.java ├── q002_AddTwoNumbers.java ├── q003_LoggestSubstringWithoutRepeatingCharacters.java ├── q004_MedianOfTwoSortedArrays.java ├── q005_LoggestPalindromicSubstring.java ├── q006_ZigZagConversion.java ├── q007_ReverseInteger.java ├── q008_StringToInteger.java ├── q009_PalindromeNumber.java ├── q010_RegularExpressionMatching.java ├── q011_ContainerWithMostWater.java ├── q012_IntegerToRoman.java ├── q013_RomanToInteger.java ├── q014_LoggestCommonPrefix.java ├── q015_ThreeSum.java ├── q016_ThreeSumClosest.java ├── q017_LetterCombinationOfPhoneNumber.java ├── q018_FourSum.java ├── q019_RemoveNthNodeFromEndOfList.java ├── q020_ValidParentheses.java ├── q021_MergeTwoSortedList.java ├── q022_GenerateParentheses.java ├── q023_MergeKSortedLists.java ├── q024_SwapNodesInPairs.java ├── q025_ReverseNodesInKGroup.java ├── q026_RemoveDuplicatesFromSortedArray.java ├── q027_RemoveElement.java ├── q028_ImplementStrStr.java ├── q029_DivideTwoInteger.java ├── q030_SubstringWithConcatenationOfAllWords.java ├── q031_NextPermutation.java ├── q032_LoggestValidParentheses.java ├── q033_SearchInRotatedSortedArray.java ├── q034_SearchForARange.java ├── q035_SearchInsertPosition.java ├── q036_ValidSudoku.java ├── q037_SudokuSolver.java ├── q038_CountAndSay.java ├── q039_CombinationSum.java ├── q040_CombinationSum2.java ├── q041_FirstMissingPositive.java ├── q042_TrapingRainWater.java ├── q043_MultiplyStrings.java ├── q044_WildcardMatching.java ├── q045_JumpGame2.java ├── q046_Permutations.java ├── q047_Permutation2.java ├── q048_RotateImage.java ├── q049_GroupAnagrams.java ├── q050_PowXN.java ├── q051_NQueens.java ├── q052_NQueens2.java ├── q053_MaximunSubarray.java ├── q054_SpiralMatrix.java ├── q055_JumpGame.java ├── q056_MergeIntevals.java ├── q057_InsertInteval.java ├── q058_LengthOfLastWord.java ├── q059_SpiralMatrix2.java ├── q060_PermutationSequence.java ├── q061_RotateList.java ├── q062_UniquePaths.java ├── q063_UniquePaths2.java ├── q064_MinmunPathSum.java ├── q065_ValidNumber.java ├── q066_PlusOne.java ├── q067_AddBinary.java ├── q068_TextJustification.java ├── q069_Sqrt.java ├── q070_ClimbingStairs.java ├── q071_SimplifyPath.java ├── q072_EditDistance.java ├── q073_SetMatrixZeroes.java ├── q074_Search2DMatrix.java ├── q075_SortColors.java ├── q076_MinimumWindowSubstring.java ├── q077_Combinations.java ├── q078_Subsets.java ├── q079_WordSearch.java ├── q080_RemoveDuplicatesFromSortedArray2.java ├── q081_SearchInRotatedSortedArray2.java ├── q082_RemoveDuplicatesFromSortedList2.java ├── q083_RemoveDuplicatesFromSortedList.java ├── q084_LargestRectangleInHistogram.java ├── q085_MaximalRectangle.java ├── q086_PartitionList.java ├── q087_ScrambeString.java ├── q088_MergeSortedArray.java ├── q089_GrayCode.java ├── q090_SubSets2.java ├── q091_DecodeWays.java ├── q092_ReverseLinkedList2.java ├── q093_RestoreIPAddresses.java ├── q094_BinaryTreeInorderTraversal.java ├── q095_UniqueBinarySearchTrees2.java ├── q096_UniqueBinarySearchTrees.java ├── q097_InterleavingString.java ├── q098_ValidateBinarySearchTree.java ├── q099_RecoverBinarySearchTree.java ├── q100_SameTree.java ├── q101_SymmetricTree.java ├── q102_BinaryTreeLevelOrderTraversal.java ├── q103_BinaryTreeZigzagLevelOrderTraversal.java ├── q104_MaximumDepthOfBinaryTree.java ├── q105_ConstructBinaryTreeFromPreorderAndInorder.java ├── q106_ConstructBinaryTreeFromInorderAndPostorder.java ├── q107_BinaryTreeLevelOrderTraversal2.java ├── q108_ConvertSortedArrayToBinarySearchTree.java ├── q109_ConvertSortedListToBinarySearchTree.java ├── q110_BaancedBinaryTree.java ├── q111_MinimumDepthOfBinaryTree.java ├── q112_PathSum.java ├── q113_PathSum2.java ├── q114_FlattenBinaryTreToLinkedList.java ├── q115_DistinctSubsequences.java ├── q116_PopulatingNextRightPointersInEachNode.java ├── q117_PopulatingNextRightPointersInEachNode2.java ├── q118_PascalTriangle.java ├── q119_PascalTriangle2.java ├── q120_Triangle.java ├── q121_BestTimeToBuyAndSellStock.java ├── q122_BestTimeToBuyAndSellStock2.java ├── q123_BestTimeToBuyAndSellStock3.java ├── q124_BinaryTreeMaximumPathSum.java ├── q125_ValidPalindrome.java ├── q126_WordLadder2.java ├── q127_WordLadder.java ├── q128_LongestConsecutiveSequence.java ├── q129_SumRootToLeafNumbers.java ├── q130_SurroundedRegions.java ├── q131_PalindromePatitioning.java ├── q132_PalindromePartitioning2.java ├── q133_CloneGraph.java ├── q134_GasStation.java └── q135_Candy.java ├── list ├── Addible.java ├── LList.java ├── Node.java ├── PolySLinkedList.java ├── Polynomial.java ├── SeqList.java ├── SinglyLinkedList.java ├── SortedSinglyLinkedList.java ├── TermX.java └── test │ ├── Josephus.java │ ├── Polynomial_ex.java │ ├── SinglyLinkedList_average.java │ ├── SinglyLinkedList_reverse.java │ └── SortedSinglyLinkedList_ex.java ├── phonebook ├── Friend.java ├── PhoneBookJFrame.java └── PhoneBookTreeSet.java ├── search ├── BSArray.java ├── BinarySortTree.java ├── HashCharWeight.java ├── HashSet.java ├── KeyWords.java └── test │ └── BinarySortTree_ex.java ├── sort ├── ArraySort.java └── IntRandom.java ├── stackqueue ├── LinkedQueue.java ├── LinkedStack.java ├── PriorityQueue.java ├── QQueue.java ├── SStack.java ├── SeqQueue.java ├── SeqStack.java └── test │ ├── DigitTower.java │ ├── Exp_isValid.java │ ├── Expresstion.java │ ├── Factorial.java │ ├── Fibonacci.java │ ├── PrimeRing.java │ └── Process_ex.java ├── string ├── DeleteString.java ├── Int.java ├── MyString.java ├── MyStringBuffer.java ├── Number.java ├── ReplaceStringBuffer.java └── SString.java └── tree ├── BinaryNode.java ├── BinaryTTree.java ├── BinaryTree.java ├── CompleteBinaryTree.java ├── HuffmanTree.java ├── TTree.java ├── ThreadBinaryTree.java ├── ThreadNode.java ├── Tree.java ├── TreeNode.java ├── TriBinaryTree.java ├── TriElement.java ├── TriNode.java └── test ├── Ancestors.java ├── BinaryTree_genlist.java ├── BinaryTree_make.java ├── HuffmanTree_example.java ├── 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