Name	Name	Last commit message	Last commit date
Latest commit History 143 Commits
1.Array.E-twoSum.js	1.Array.E-twoSum.js
100.Tree.E-sameTree.js	100.Tree.E-sameTree.js
101.Tree.E-symmetricTree.js	101.Tree.E-symmetricTree.js
102.Tree.M-BinaryTreeLevelOrderTraversal.js	102.Tree.M-BinaryTreeLevelOrderTraversal.js
103.Tree.M-binaryTreeZigzagLevelOrderTraversal.js	103.Tree.M-binaryTreeZigzagLevelOrderTraversal.js
104.Tree.E-maximumDepthOfBinaryTree.js	104.Tree.E-maximumDepthOfBinaryTree.js
105.Tree.M-constructbinaryTreefromPreorderandInorderTraversal.js	105.Tree.M-constructbinaryTreefromPreorderandInorderTraversal.js
107.Tree.E-BinaryTreeLevelOrderTraversalII.js	107.Tree.E-BinaryTreeLevelOrderTraversalII.js
108.Tree.E-convertSortedArrayToBinarySearch Tree.js	108.Tree.E-convertSortedArrayToBinarySearch Tree.js
11.Array.ContainerOfWater.js	11.Array.ContainerOfWater.js
110.Tree.E-BalancedBinaryTree.js	110.Tree.E-BalancedBinaryTree.js
111.Tree.E-minimumDepthOfBinaryTree.js	111.Tree.E-minimumDepthOfBinaryTree.js
112.Tree.E-pathSum.js	112.Tree.E-pathSum.js
116.Tree.M-populatinNextRightPointersinEachNode.js	116.Tree.M-populatinNextRightPointersinEachNode.js
118.Other.E-pascal'sTriangle.js	118.Other.E-pascal'sTriangle.js
119.Other.E-pascal'TriangleII.js	119.Other.E-pascal'TriangleII.js
122.Greedy.E-bestTimeToBuyAndSellStockII.js	122.Greedy.E-bestTimeToBuyAndSellStockII.js
125.Array.E-validSudoku.js	125.Array.E-validSudoku.js
125.String.E-validPalindrome.js	125.String.E-validPalindrome.js
128.Array.H-LongestConsecutiveSequence.js	128.Array.H-LongestConsecutiveSequence.js
13.Math.E-romanToInteger.js	13.Math.E-romanToInteger.js
136.Array.E-singleNumber.js	136.Array.E-singleNumber.js
14.String.E-longestCommonPrefix.js	14.String.E-longestCommonPrefix.js
141.LL.E-linkedListCycle.js	141.LL.E-linkedListCycle.js
15.Array.E-3sum.js	15.Array.E-3sum.js
155.Design.E-minStack.js	155.Design.E-minStack.js
160.LL.E-intersectionOfTwoLinkedLists.js	160.LL.E-intersectionOfTwoLinkedLists.js
162.Math.E-FindPeakElement.js	162.Math.E-FindPeakElement.js
166.Math.M-FractionToRecurringDecimal.js	166.Math.M-FractionToRecurringDecimal.js
167.Array.E-twoSumII-inputArrayIsSorted.js	167.Array.E-twoSumII-inputArrayIsSorted.js
168Math.E-excelSheetColumnTitle.js	168Math.E-excelSheetColumnTitle.js
169.Math.E-majorityElement.js	169.Math.E-majorityElement.js
17.Array.M-LetterCombinationsOfAPhoneNumber.js	17.Array.M-LetterCombinationsOfAPhoneNumber.js
171.Math.E-excelSheetColumnNumber.js	171.Math.E-excelSheetColumnNumber.js
172.Math.E-factorialTrailingZeroes.js	172.Math.E-factorialTrailingZeroes.js
189.Array.E-rotateArray.js	189.Array.E-rotateArray.js
19.LL.M-removeNthNodeFromEndOfList.js	19.LL.M-removeNthNodeFromEndOfList.js
190.Math.E-ReverseBits.js	190.Math.E-ReverseBits.js
191.Math.E-numberOf1Bits.js	191.Math.E-numberOf1Bits.js
198.DP.E-houseRobber.js	198.DP.E-houseRobber.js
2.LL.M-addTwoNumbers.js	2.LL.M-addTwoNumbers.js
20.Other.E-validParentheses.js	20.Other.E-validParentheses.js
200.Graphs.M-NumberOfIslands.js	200.Graphs.M-NumberOfIslands.js
202.Math.E-happyNumber.js	202.Math.E-happyNumber.js
203.LL.E-removeLinkedListElements.js	203.LL.E-removeLinkedListElements.js
204.Math.E-countPrimes.js	204.Math.E-countPrimes.js
205.String.E-isomorphicStrings.js	205.String.E-isomorphicStrings.js
206.LL.E-reverseLinkedList.js	206.LL.E-reverseLinkedList.js
21.LL.E-mergeTwoSortedLists.js	21.LL.E-mergeTwoSortedLists.js
215.Sort.M-KthLargestElementInAnArray.js	215.Sort.M-KthLargestElementInAnArray.js
217.Array.E-containsDuplicate.js	217.Array.E-containsDuplicate.js
219.Array.E-containsDuplicateII.js	219.Array.E-containsDuplicateII.js
22.BT.M-GenerateParentheses.js	22.BT.M-GenerateParentheses.js
226.Tree.E-invertBinaryTree.js	226.Tree.E-invertBinaryTree.js
227.Array.M-BasicCalculatorII.js	227.Array.M-BasicCalculatorII.js
230.Tree.M-kthSmallestElementInABST.js	230.Tree.M-kthSmallestElementInABST.js
231.Math.E-powerOfTwo.js	231.Math.E-powerOfTwo.js
234.LL.E-palindromeLinkedList.js	234.LL.E-palindromeLinkedList.js
235.Tree.E-lCAofBST.js	235.Tree.E-lCAofBST.js
237.LL.E-deleteNodeinALinkedList.js	237.LL.E-deleteNodeinALinkedList.js
238.Array.M-ProductOfArrayExceptSelf.js	238.Array.M-ProductOfArrayExceptSelf.js
240.Search.M-SearchA2DMatrixII.js	240.Search.M-SearchA2DMatrixII.js
242.String.E-validAnagram.js	242.String.E-validAnagram.js
257.Tree.E-binaryTreePaths.js	257.Tree.E-binaryTreePaths.js
258.Math.E-addDigits.js	258.Math.E-addDigits.js
263.Math.E-uglyNumber.js	263.Math.E-uglyNumber.js
268.Other.E-missingNumber.js	268.Other.E-missingNumber.js
27.Array.E-removeElement.js	27.Array.E-removeElement.js
278.Searching.E-firstBadVersion.js	278.Searching.E-firstBadVersion.js
28.String.E-implementStr.js	28.String.E-implementStr.js
283.Array.E-moveZeroes.js	283.Array.E-moveZeroes.js
287.Array.M-FindTheDuplicateNumber.js	287.Array.M-FindTheDuplicateNumber.js
289.Array.M-gameOfLife.js	289.Array.M-gameOfLife.js
29.Math.M-DivideTwoIntegers.js	29.Math.M-DivideTwoIntegers.js
290.String.E-wordPattern.js	290.String.E-wordPattern.js
297.Design.M-SerializeAndDeserializeBinaryTree.js	297.Design.M-SerializeAndDeserializeBinaryTree.js
3.String.M-longestSubstringWithoutRepeatingCharacters.js	3.String.M-longestSubstringWithoutRepeatingCharacters.js
303.Design.E-rangeSumQuery.js	303.Design.E-rangeSumQuery.js
322.DP.M-CoinChange.js	322.DP.M-CoinChange.js
326.Math.E-powerOfThree.js	326.Math.E-powerOfThree.js
328.LL.M-oddEvenLinkedList.js	328.LL.M-oddEvenLinkedList.js
33.Search.M-SearchInRotateSortedArray.js	33.Search.M-SearchInRotateSortedArray.js
334.Array.M-increasingTripletSubsequence.js	334.Array.M-increasingTripletSubsequence.js
34.Search.M-SearchForARange.js	67F4 34.Search.M-SearchForARange.js
344.String.E-reverseString.js	344.String.E-reverseString.js
347.Sort.M-TopKFrequentElements.js	347.Sort.M-TopKFrequentElements.js
349.Array.E-intersectionOfTwoArray.js	349.Array.E-intersectionOfTwoArray.js
35.Search.E-searchInsertPosition.js	35.Search.E-searchInsertPosition.js
350.Array.E-intersectionOfTwoArraysII.js	350.Array.E-intersectionOfTwoArraysII.js
367.Math.E-validPerfectSquare.js	367.Math.E-validPerfectSquare.js
371.Math.E-SumOfTwoIntegers.js	371.Math.E-SumOfTwoIntegers.js
38.String.E-countAndSay.js	38.String.E-countAndSay.js
380.Design.M-InsertDeleteGetRandomO(1).js	380.Design.M-InsertDeleteGetRandomO(1).js
383.String.E-ransomNote.js	383.String.E-ransomNote.js
384.Design.E-shuffleArray.js	384.Design.E-shuffleArray.js
387.String.E-firstUniqueCharacterInAString.js	387.String.E-firstUniqueCharacterInAString.js
389.String.E-findTheDifference.js	389.String.E-findTheDifference.js
400.Math.E-nthDigt.js	400.Math.E-nthDigt.js
401.Math.E-ConvertANumberToHexadecimal.js	401.Math.E-ConvertANumberToHexadecimal.js
401.String.E-binaryWatch.js	401.String.E-binaryWatch.js

Name

Last commit message

Last commit date

143 Commits

1.Array.E-twoSum.js

100.Tree.E-sameTree.js

101.Tree.E-symmetricTree.js

102.Tree.M-BinaryTreeLevelOrderTraversal.js

103.Tree.M-binaryTreeZigzagLevelOrderTraversal.js

104.Tree.E-maximumDepthOfBinaryTree.js

105.Tree.M-constructbinaryTreefromPreorderandInorderTraversal.js

107.Tree.E-BinaryTreeLevelOrderTraversalII.js

108.Tree.E-convertSortedArrayToBinarySearch Tree.js

11.Array.ContainerOfWater.js

110.Tree.E-BalancedBinaryTree.js

111.Tree.E-minimumDepthOfBinaryTree.js

112.Tree.E-pathSum.js

116.Tree.M-populatinNextRightPointersinEachNode.js

118.Other.E-pascal'sTriangle.js

119.Other.E-pascal'TriangleII.js

122.Greedy.E-bestTimeToBuyAndSellStockII.js

125.Array.E-validSudoku.js

125.String.E-validPalindrome.js

128.Array.H-LongestConsecutiveSequence.js

13.Math.E-romanToInteger.js

136.Array.E-singleNumber.js

14.String.E-longestCommonPrefix.js

141.LL.E-linkedListCycle.js

15.Array.E-3sum.js

155.Design.E-minStack.js

160.LL.E-intersectionOfTwoLinkedLists.js

162.Math.E-FindPeakElement.js

166.Math.M-FractionToRecurringDecimal.js

167.Array.E-twoSumII-inputArrayIsSorted.js

168Math.E-excelSheetColumnTitle.js

169.Math.E-majorityElement.js

17.Array.M-LetterCombinationsOfAPhoneNumber.js

171.Math.E-excelSheetColumnNumber.js

172.Math.E-factorialTrailingZeroes.js

189.Array.E-rotateArray.js

19.LL.M-removeNthNodeFromEndOfList.js

190.Math.E-ReverseBits.js

191.Math.E-numberOf1Bits.js

198.DP.E-houseRobber.js

2.LL.M-addTwoNumbers.js

20.Other.E-validParentheses.js

200.Graphs.M-NumberOfIslands.js

202.Math.E-happyNumber.js

203.LL.E-removeLinkedListElements.js

204.Math.E-countPrimes.js

205.String.E-isomorphicStrings.js

206.LL.E-reverseLinkedList.js

21.LL.E-mergeTwoSortedLists.js

215.Sort.M-KthLargestElementInAnArray.js

217.Array.E-containsDuplicate.js

219.Array.E-containsDuplicateII.js

22.BT.M-GenerateParentheses.js

226.Tree.E-invertBinaryTree.js

227.Array.M-BasicCalculatorII.js

230.Tree.M-kthSmallestElementInABST.js

231.Math.E-powerOfTwo.js

234.LL.E-palindromeLinkedList.js

235.Tree.E-lCAofBST.js

237.LL.E-deleteNodeinALinkedList.js

238.Array.M-ProductOfArrayExceptSelf.js

240.Search.M-SearchA2DMatrixII.js

242.String.E-validAnagram.js

257.Tree.E-binaryTreePaths.js

258.Math.E-addDigits.js

263.Math.E-uglyNumber.js

268.Other.E-missingNumber.js

27.Array.E-removeElement.js

278.Searching.E-firstBadVersion.js

28.String.E-implementStr.js

283.Array.E-moveZeroes.js

287.Array.M-FindTheDuplicateNumber.js

289.Array.M-gameOfLife.js

29.Math.M-DivideTwoIntegers.js

290.String.E-wordPattern.js

297.Design.M-SerializeAndDeserializeBinaryTree.js

3.String.M-longestSubstringWithoutRepeatingCharacters.js

303.Design.E-rangeSumQuery.js

322.DP.M-CoinChange.js

326.Math.E-powerOfThree.js

328.LL.M-oddEvenLinkedList.js

33.Search.M-SearchInRotateSortedArray.js

334.Array.M-increasingTripletSubsequence.js

34.Search.M-SearchForARange.js

67F4

34.Search.M-SearchForARange.js

344.String.E-reverseString.js

347.Sort.M-TopKFrequentElements.js

349.Array.E-intersectionOfTwoArray.js

35.Search.E-searchInsertPosition.js

350.Array.E-intersectionOfTwoArraysII.js

367.Math.E-validPerfectSquare.js

371.Math.E-SumOfTwoIntegers.js

38.String.E-countAndSay.js

380.Design.M-InsertDeleteGetRandomO(1).js

383.String.E-ransomNote.js

384.Design.E-shuffleArray.js

387.String.E-firstUniqueCharacterInAString.js

389.String.E-findTheDifference.js

400.Math.E-nthDigt.js

401.Math.E-ConvertANumberToHexadecimal.js

401.String.E-binaryWatch.js

Algorithm

Naming rules

[Index].[Type].[Difficulty]-[Title]

Description

Index:
    1. ~: Custum Exercise
Type:
    1. BT: Back Tracking
    2. DP: Dynamic Programming
    3. LL: Linked List
    5. CE: Custum Exercise
Difficulty:
    1. E: Easy
    2. M: Medium
    3. H: Hard

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