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Python/C++/Go solutions to some leetcode challenges

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208 Commits
001-TwoSum
001-TwoSum
 
 
002-AddTwoNumbers
002-AddTwoNumbers
 
 
003-LongestSubstringWithoutRepeatingCharacters
003-LongestSubstringWithoutRepeatingCharacters
 
 
004-MedianOfTwoSortedArrays
004-MedianOfTwoSortedArrays
 
 
005-LongestPalindromicSubstring
005-LongestPalindromicSubstring
 
 
006-ZigZagConversion
006-ZigZagConversion
 
 
007-ReverseInteger
007-ReverseInteger
 
 
008-StringToInteger
008-StringToInteger
 
 
009-PalindromeNumber
009-PalindromeNumber
 
 
010-RegularExpressionMatching/Python
010-RegularExpressionMatching/Python
 
 
011-ContainerWithMostWater
011-ContainerWithMostWater
 
 
012-IntegerToRoman
012-IntegerToRoman
 
 
013-RomanToInteger
013-RomanToInteger
 
 
014-LongestCommonPrefix/Python
014-LongestCommonPrefix/Python
 
 
015-3Sum/Python
015-3Sum/Python
 
 
016-3SumCloset/Python
016-3SumCloset/Python
 
 
017-LetterCombinationsOfAPhoneNumber/Python
017-LetterCombinationsOfAPhoneNumber/Python
 
 
018-4Sum/Python
018-4Sum/Python
 
 
019-RemoveNthNodeFromEndOfList/Python
019-RemoveNthNodeFromEndOfList/Python
 
 
020-ValidParentheses/Python
020-ValidParentheses/Python
 
 
021-MergeTwoSortedLists/Python
021-MergeTwoSortedLists/Python
 
 
022-GenerateParentheses/Python
022-GenerateParentheses/Python
 
 
024-SwapNodesInPairs/Python
024-SwapNodesInPairs/Python
 
 
026-RemoveDuplicatesFromSortedArray/Python
026-RemoveDuplicatesFromSortedArray/Python
 
 
027-RemoveElement/Python
027-RemoveElement/Python
 
 
028-ImplementStrStr/Python
028-ImplementStrStr/Python
 
 
034-SearchForARange/Python
034-SearchForARange/Python
 
 
040-CombinationSumII/Python
040-CombinationSumII/Python
 
 
041-FirstMissingPositive/Python
041-FirstMissingPositive/Python
 
 
043-MultiplyStrings/Python
043-MultiplyStrings/Python
 
 
046-Permutations/Python
046-Permutations/Python
 
 
047-PermutationsII/Python
047-PermutationsII/Python
 
 
048-RotateImage/Python
048-RotateImage/Python
 
 
049-GroupAnagrams/Python
049-GroupAnagrams/Python
 
 
053-MaximumSubArray/Python
053-MaximumSubArray/Python
 
 
054-SpiralMatrix/Python
054-SpiralMatrix/Python
 
 
055-JumpGame/Python
055-JumpGame/Python
 
 
056-MergeIntervals/Python
056-MergeIntervals/Python
 
 
058-LengthOfLastWord/Python
058-LengthOfLastWord/Python
 
 
059-SpiralMatrixII/python
059-SpiralMatrixII/python
 
 
060-PermutationSequence/Python
060-PermutationSequence/Python
 
 
061-RotateList/Python
061-RotateList/Python
 
 
062-UniquePaths/Python
062-UniquePaths/Python
 
 
063-UniquePathsII/Python
063-UniquePathsII/Python
 
 
069-Sqrt(x)/Python
069-Sqrt(x)/Python
 
 
070-ClimbingStairs/Python
070-ClimbingStairs/Python
 
 
071-SimplifyPath/Python
071-SimplifyPath/Python
 
 
073-SetMatrixZeroes/Python
073-SetMatrixZeroes/Python
 
 
074-SearchA2DMatrix/Python
074-SearchA2DMatrix/Python
 
 
075-SortColors/Python
075-SortColors/Python
 
 
077-Combinations/Python
077-Combinations/Python
 
 
078-Subsets/Python
078-Subsets/Python
 
 
079-WordSearch/Python
079-WordSearch/Python
 
 
080-RemoveDuplicatesFromSortedArrayII/Python
080-RemoveDuplicatesFromSortedArrayII/Python
 
 
081-SearchInRotatedSortedArrayII/Python
081-SearchInRotatedSortedArrayII/Python
 
 
082-RemoveDuplicatesFromSortedListII/Python
082-RemoveDuplicatesFromSortedListII/Python
 
 
083-RemoveDuplicatesFromSortedList/Python
083-RemoveDuplicatesFromSortedList/Python
 
 
086-PartitionList/Python
086-PartitionList/Python
 
 
088-MergeSortedArrays/Python
088-MergeSortedArrays/Python
 
 
089-GrayCode/Python
089-GrayCode/Python
 
 
090-SubsetsII/Python
090-SubsetsII/Python
 
 
091-DecodeWays/Python
091-DecodeWays/Python
 
 
092-ReverseLinkedListII/Python
092-ReverseLinkedListII/Python
 
 
093-RestoreIpAdresses/Python
093-RestoreIpAdresses/Python
 
 
094-BinaryTreeInOrderTraversal/Python
094-BinaryTreeInOrderTraversal/Python
 
 
095-UniqueBinarySearchTreesII/Python
095-UniqueBinarySearchTreesII/Python
 
 
096-UniqueBinarySearchTrees/Python
096-UniqueBinarySearchTrees/Python
 
 
100-SameTree/Python
100-SameTree/Python
 
 
101-SymmetricTree/Python
101-SymmetricTree/Python
 
 
102-BinaryTreeLevelOrderTraversal/Python
102-BinaryTreeLevelOrderTraversal/Python
 
 
103-BinaryTreeZigZagLevelOrderTraversal/Python
103-BinaryTreeZigZagLevelOrderTraversal/Python
 
 
104-MaximumDepthOfBinaryTree/Python
104-MaximumDepthOfBinaryTree/Python
 
 
105-ConstructBinaryTreeFromPreorderAndInorderTraversal/Python
105-ConstructBinaryTreeFromPreorderAndInorderTraversal/Python
 
 
106-ConstructBinaryTreeFromInorderAndPostorderTraversal/Python
106-ConstructBinaryTreeFromInorderAndPostorderTraversal/Python
 
 
107-BinaryTreeLevelOrderTraversalII/Python
107-BinaryTreeLevelOrderTraversalII/Python
 
 
110-BalancedBinaryTree/Python
110-BalancedBinaryTree/Python
 
 
111-MinimumDepthOfBinaryTree/Python
111-MinimumDepthOfBinaryTree/Python
 
 
113-PathSumII/Python
113-PathSumII/Python
 
 
114-FlattenBinaryTreeLinkedList/Python
114-FlattenBinaryTreeLinkedList/Python
 
 
115-DistinctSubsequences/Python
115-DistinctSubsequences/Python
 
 
116-PopulatingNextRightPointersInEachNode/Python
116-PopulatingNextRightPointersInEachNode/Python
 
 
117-PopulatingNextRightPointersInEachNodeII/Python
117-PopulatingNextRightPointersInEachNodeII/Python
 
 
118-PascalTriangle/Python
118-PascalTriangle/Python
 
 
119-PascalTriangleII/Python
119-PascalTriangleII/Python
 
 
121-BestTimeToBuyAndSellStock/Python
121-BestTimeToBuyAndSellStock/Python
 
 
125-ValidPalindrome/Python
125-ValidPalindrome/Python
 
 
127-WordLadder
127-WordLadder
 
 
128-LongestConsecutiveSequence/Python
128-LongestConsecutiveSequence/Python
 
 
130-SurroundedRegions/Python
130-SurroundedRegions/Python
 
 
134-GasStation/Python
134-GasStation/Python
 
 
136-SingleNumber/Python
136-SingleNumber/Python
 
 
137-SingleNumberII/Python
137-SingleNumberII/Python
 
 
141-LinkedListCycle/Python
141-LinkedListCycle/Python
 
 
151-ReverseWordsInAString/Python
151-ReverseWordsInAString/Python
 
 
155-MinStack/Python
155-MinStack/Python
 
 
160-IntersectionOfTwoLinkedLists/Python
160-IntersectionOfTwoLinkedLists/Python
 
 
162-FindPeakElement/Python
162-FindPeakElement/Python
 
 
167-TwoSumIIInputIsSorted/Python
167-TwoSumIIInputIsSorted/Python
 
 
168-ExcelSheetColumnTitle/Python
168-ExcelSheetColumnTitle/Python
 
 
171-ExcelSheetColumnNumber/Python
171-ExcelSheetColumnNumber/Python
 
 

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Leetcode solutions

Introduction

In the life of a man there are these moments where you make a promise. On May 18th I made the promise that during the next 11 months, I'll brush my Skill in:

  • Python, Go, C++
  • Algorithms

I'm a man of my word. This repository serves as a track on my path to becoming of better programmer. To sharpen my skills in programming I've decided to solve as much challenges as I can on leetcode.

Presentation

Each folder contains at least the python solution to the given problem. C++ and Go solutions are added increasingly.

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Python/C++/Go solutions to some leetcode challenges

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python golang leetcode-solutions explanations

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