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122 Commits
100SameTree.cpp
100SameTree.cpp
 
 
101SymmetricTree.cpp
101SymmetricTree.cpp
 
 
102BinaryTreeLevelOrderTraversal.cpp
102BinaryTreeLevelOrderTraversal.cpp
 
 
1046LastStoneWeight.py
1046LastStoneWeight.py
 
 
104MaximumDepthofBinaryTree.cpp
104MaximumDepthofBinaryTree.cpp
 
 
111MinimumDepthofBinaryTree.cpp
111MinimumDepthofBinaryTree.cpp
 
 
112PathSum.cpp
112PathSum.cpp
 
 
113PathSumII.cpp
113PathSumII.cpp
 
 
116PopulatingNextRightPointersinEachNode.py
116PopulatingNextRightPointersinEachNode.py
 
 
120Triangle.py
120Triangle.py
 
 
121BestTimetoBuyandSellStock.cpp
121BestTimetoBuyandSellStock.cpp
 
 
1232CheckIfItIsaStraightLine.py
1232CheckIfItIsaStraightLine.py
 
 
1281SubtracttheProductandSumofDigitsofanInteger.py
1281SubtracttheProductandSumofDigitsofanInteger.py
 
 
1290ConvertBinaryNumberinaLinkedListtoInteger.cpp
1290ConvertBinaryNumberinaLinkedListtoInteger.cpp
 
 
1309DecryptStringfromAlphabettoIntegerMapping.py
1309DecryptStringfromAlphabettoIntegerMapping.py
 
 
1356SortIntegersbyTheNumberof1Bits.py
1356SortIntegersbyTheNumberof1Bits.py
 
 
136SingleNumber.py
136SingleNumber.py
 
 
13RomanToInteger.py
13RomanToInteger.py
 
 
142LinkedListCycleII.py
142LinkedListCycleII.py
 
 
1448CountGoodNodesInBinaryTree.py
1448CountGoodNodesInBinaryTree.py
 
 
1480RunningSumof1dArray.cpp
1480RunningSumof1dArray.cpp
 
 
1491AverageSalaryExcludingtheMinimumandMaximumSalary.py
1491AverageSalaryExcludingtheMinimumandMaximumSalary.py
 
 
14LongestCommonPrefix.py
14LongestCommonPrefix.py
 
 
1502CanMakeArithmeticProgressionFromSequence.py
1502CanMakeArithmeticProgressionFromSequence.py
 
 
1523CountOddNumbersinanIntervalRange.py
1523CountOddNumbersinanIntervalRange.py
 
 
1572MatrixDiagonalSum.py
1572MatrixDiagonalSum.py
 
 
1588SumofAllOddLengthSubarrays.py
1588SumofAllOddLengthSubarrays.py
 
 
1603DesignParkingSystem.py
1603DesignParkingSystem.py
 
 
1672RichestCustomerWealth.py
1672RichestCustomerWealth.py
 
 
1678GoalParserInterpretation.py
1678GoalParserInterpretation.py
 
 
167TwoSumII.py
167TwoSumII.py
 
 
1768MergeStringsAlternately.py
1768MergeStringsAlternately.py
 
 
1779FindNearestPointThatHastheSameXorYCoordinate.py
1779FindNearestPointThatHastheSameXorYCoordinate.py
 
 
1790CheckifOneStringSwapCanMakeStringsEqual.py
1790CheckifOneStringSwapCanMakeStringsEqual.py
 
 
1822SignoftheProductofanArray.py
1822SignoftheProductofanArray.py
 
 
189RotateArray.py
189RotateArray.py
 
 
190ReverseBits.py
190ReverseBits.py
 
 
191Numberof1Bits.py
191Numberof1Bits.py
 
 
198HouseRobber.py
198HouseRobber.py
 
 
19RemoveNthNodeFromEndofList.py
19RemoveNthNodeFromEndofList.py
 
 
1TwoSum.py
1TwoSum.py
 
 
200NumberofIslands.cpp
200NumberofIslands.cpp
 
 
202HappyNumber.py
202HappyNumber.py
 
 
205IsomorphicStrings.py
205IsomorphicStrings.py
 
 
206ReverseLinkedList.py
206ReverseLinkedList.py
 
 
20ValidParenthesis.py
20ValidParenthesis.py
 
 
217ContainsDuplicate.py
217ContainsDuplicate.py
 
 
21MergeTwoLists.py
21MergeTwoLists.py
 
 
231PowerofTwo.py
231PowerofTwo.py
 
 
232ImplementQueueusingStacks.py
232ImplementQueueusingStacks.py
 
 
235LowestCommonAncestorofaBinarySearchTree.cpp
235LowestCommonAncestorofaBinarySearchTree.cpp
 
 
242ValidAnagram.py
242ValidAnagram.py
 
 
278FirstBadVersion.py
278FirstBadVersion.py
 
 
283MoveZeroes.py
283MoveZeroes.py
 
 
299BullsandCows.py
299BullsandCows.py
 
 
2AddTwoNumbers.cpp
2AddTwoNumbers.cpp
 
 
300LongestIncreasingSubsequence.py
300LongestIncreasingSubsequence.py
 
 
303RangeSumQuery-Immutable.py
303RangeSumQuery-Immutable.py
 
 
344ReverseString.py
344ReverseString.py
 
 
35SearchInsertPosition.py
35SearchInsertPosition.py
 
 
389FindtheDifference.py
389FindtheDifference.py
 
 
392IsSubsequence.py
392IsSubsequence.py
 
 
394DecodeString.py
394DecodeString.py
 
 
3LongestSubstringWithoutRepeatingCharacters.py
3LongestSubstringWithoutRepeatingCharacters.py
 
 
404SumofLeftLeaves.cpp
404SumofLeftLeaves.cpp
 
 
409LongestPalindrome.cpp
409LongestPalindrome.cpp
 
 
424LongestRepeatingCharacterReplacement.py
424LongestRepeatingCharacterReplacement.py
 
 
438FindAllAnagramsinaString.py
438FindAllAnagramsinaString.py
 
 
46Permutations.py
46Permutations.py
 
 
48RotateImage.py
48RotateImage.py
 
 
496NextGreaterElementI.py
496NextGreaterElementI.py
 
 
509FibonacciNumber.py
509FibonacciNumber.py
 
 
542_01Matrix.py
542_01Matrix.py
 
 
557ReverseWordsInaStringIII.py
557ReverseWordsInaStringIII.py
 
 
559MaximumDepthofN-aryTree.cpp
559MaximumDepthofN-aryTree.cpp
 
 
566ReshapetheMatrix.py
566ReshapetheMatrix.py
 
 
567PermutationinString.py
567PermutationinString.py
 
 
589N-aryTreePreorderTraversal.py
589N-aryTreePreorderTraversal.py
 
 
58LengthOfLastWord.py
58LengthOfLastWord.py
 
 
617MergeTwoBinaryTrees.py
617MergeTwoBinaryTrees.py
 
 
62UniquePaths.py
62UniquePaths.py
 
 
637AverageLevelsOfBinaryTree.py
637AverageLevelsOfBinaryTree.py
 
 
66PlusOne.py
66PlusOne.py
 
 
692TopKFrequentWords.py
692TopKFrequentWords.py
 
 
695MaxAreaofIsland.py
695MaxAreaofIsland.py
 
 
69Sqrt(x).py
69Sqrt(x).py
 
 
704BinarySearch.py
704BinarySearch.py
 
 
709ToLowerCase.py
709ToLowerCase.py
 
 
70ClimbingStairs.py
70ClimbingStairs.py
 
 
724FindPivotIndex.cpp
724FindPivotIndex.cpp
 
 
733FloodFill.py
733FloodFill.py
 
 
746MinCostClimbingStairs.py
746MinCostClimbingStairs.py
 
 
77Combinations.py
77Combinations.py
 
 
784LetterCasePermutation.py
784LetterCasePermutation.py
 
 
844BackspaceStringCompare.py
844BackspaceStringCompare.py
 
 
876MiddleoftheLinkedList.cpp
876MiddleoftheLinkedList.cpp
 
 
876MiddleoftheLinkedList.py
876MiddleoftheLinkedList.py
 
 
938RangeSumofBST.cpp
938RangeSumofBST.cpp
 
 
953VerifyinganAlienDictionary.py
953VerifyinganAlienDictionary.py
 
 
967NumbersWithSameConsecutiveDifferences.py
967NumbersWithSameConsecutiveDifferences.py
 
 

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LeetCode-Exercises

My LeetCode exercise codes. Don't copy and paste it because it's bad for independent thinking.

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