LeetCode算法解答

此页面不断更新LeetCode-中文算法解答。

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算法解答

1.Two-Sum

2.Add-Two-Numbers

3.Longest-Substring-Without-Repeating-Characters

4.Median-of-Two-Sorted-Arrays

5.Longest-Palindromic-Substring

6.ZigZag-Conversion

7.Reverse-Integer

8.String-to-Integer-(atoi)

9.Palindrome-Number

10.Regular-Expression-Matching

11.Container-With-Most-Water

12.Integer-to-Roman

13.Roman-to-Integer

14.Longest-Common-Prefix

15.3Sum

16.3Sum-Closest

17.Letter-Combinations-of-a-Phone-Number

18.4Sum

19.Remove-Nth-Node-From-End-of-List

20.Valid-Parentheses

21.Merge-Two-Sorted-Lists

22.Generate-Parentheses

23.Merge-k-Sorted-Lists

24.Swap-Nodes-in-Pairs

25.Reverse-Nodes-in-k-Group

26.Remove-Duplicates-from-Sorted-Array

27.Remove-Element

28.Implement-strStr()

29.Divide-Two-Integers

30.Substring-with-Concatenation-of-All-Words

31.Next-Permutation

32.Longest-Valid-Parentheses

33.Search-in-Rotated-Sorted-Array

34.Find-First-and-Last-Position-of-Element-in-Sorted-Array

35.Search-Insert-Position

36.Valid-Sudoku

37.Sudoku-Solver

38.Count-and-Say

39.Combination-Sum

40.Combination-Sum-II

41.First-Missing-Positive

42.Trapping-Rain-Water

43.Multiply-Strings

44.Wildcard-Matching

45.Jump-Game-II

46.Permutations

47.Permutations-II

48.Rotate-Image

49.Group-Anagrams

50.Pow(x,-n)

51.N-Queens

52.N-Queens-II

53.Maximum-Subarray

54.Spiral-Matrix

55.Jump-Game

56.Merge-Intervals

57.Insert-Interval

58.Length-of-Last-Word

59.Spiral-Matrix-II

60.Permutation-Sequence

61.Rotate-List

62.Unique-Paths

63.Unique-Paths-II

64.Minimum-Path-Sum

65.Valid-Number

66.Plus-One

67.Add-Binary

68.Text-Justification

69.Sqrt(x)

70.Climbing-Stairs

72.Edit-Distance

73.Set-Matrix-Zeroes

74.Search-a-2D-Matrix

75.Sort-Colors

76.Minimum-Window-Substring

77.Combinations

78.Subsets

79.Word-Search

80.Remove-Duplicates-from-Sorted-Array-II

81.Search-in-Rotated-Sorted-Array-II

82.Remove-Duplicates-from-Sorted-List-II

83.Remove-Duplicates-from-Sorted-List

84.Largest-Rectangle-in-Histogram

85.Maximal-Rectangle

86.Partition-List

87.Scramble-String

88.Merge-Sorted-Array

89.Gray-Code

90.Subsets-II

91.Decode-Ways

92.Reverse-Linked-List-II

93.Restore-IP-Addresses

94.Binary-Tree-Inorder-Traversal

95.Unique-Binary-Search-Trees-II

96.Unique-Binary-Search-Trees

97.Interleaving-String

98.Validate-Binary-Search-Tree

99.Recover-Binary-Search-Tree

100.Same-Tree

101.Symmetric-Tree

102.Binary-Tree-Level-Order-Traversal

103.Binary-Tree-Zigzag-Level-Order-Traversal

104.Maximum-Depth-of-Binary-Tree

105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal

106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal

107.Binary-Tree-Level-Order-Traversal-II

108.Convert-Sorted-Array-to-Binary-Search-Tree

109.Convert-Sorted-List-to-Binary-Search-Tree

110.Balanced-Binary-Tree

111.Minimum-Depth-of-Binary-Tree

112.Path-Sum

113.Path-Sum-II

114.Flatten-Binary-Tree-to-Linked-List

115.Distinct-Subsequences

116.Populating-Next-Right-Pointers-in-Each-Node

117.Populating-Next-Right-Pointers-in-Each-Node-II

118.Pascal's-Triangle

119.Pascal's-Triangle-II

120.Triangle

121.Best-Time-to-Buy-and-Sell-Stock

122.Best-Time-to-Buy-and-Sell-Stock-II

123.Best-Time-to-Buy-and-Sell-Stock-III

124.Binary-Tree-Maximum-Path-Sum

125.Valid-Palindrome

126.Word-Ladder-II

127.Word-Ladder

128.Longest-Consecutive-Sequence

129.Sum-Root-to-Leaf-Numbers

130.Surrounded-Regions

131.Palindrome-Partitioning

132.Palindrome-Partitioning-II

133.Clone-Graph

134.Gas-Station

135.Candy

136.Single-Number

137.Single-Number-II

138.Copy-List-with-Random-Pointer

139.Word-Break

140.Word-Break-II

141.Linked-List-Cycle

142.Linked-List-Cycle-II

143.Reorder-List

144.Binary-Tree-Preorder-Traversal

145.Binary-Tree-Postorder-Traversal

146.LRU-Cache

147.Insertion-Sort-List

148.Sort-List

149.Max-Points-on-a-Line

150.Evaluate-Reverse-Polish-Notation

151.Reverse-Words-in-a-String

152.Maximum-Product-Subarray

153.Find-Minimum-in-Rotated-Sorted-Array

154.Find-Minimum-in-Rotated-Sorted-Array-II

155.Min-Stack

160.Intersection-of-Two-Linked-Lists

162.Find-Peak-Element

164.Maximum-Gap

165.Compare-Version-Numbers

166.Fraction-to-Recurring-Decimal

167.Two-Sum-II---Input-array-is-sorted

168.Excel-Sheet-Column-Title

169.Majority-Element

171.Excel-Sheet-Column-Number

172.Factorial-Trailing-Zeroes

173.Binary-Search-Tree-Iterator

174.Dungeon-Game

179.Largest-Number

187.Repeated-DNA-Sequences

188.Best-Time-to-Buy-and-Sell-Stock-IV

189.Rotate-Array

190.Reverse-Bits

191.Number-of-1-Bits

198.House-Robber

199.Binary-Tree-Right-Side-View

200.Number-of-Islands

201.Bitwise-AND-of-Numbers-Range

202.Happy-Number

203.Remove-Linked-List-Elements

204.Count-Primes

205.Isomorphic-Strings

206.Reverse-Linked-List

207.Course-Schedule

208.Implement-Trie-(Prefix-Tree)

209.Minimum-Size-Subarray-Sum

210.Course-Schedule-II

211.Add-and-Search-Word---Data-structure-design

213.House-Robber-II

214.Shortest-Palindrome

215.Kth-Largest-Element-in-an-Array

217.Contains-Duplicate

219.Contains-Duplicate-II

220.Contains-Duplicate-III

223.Rectangle-Area

224.Basic-Calculator

225.Implement-Stack-using-Queues

226.Invert-Binary-Tree

230.Kth-Smallest-Element-in-a-BST

231.Power-of-Two

232.Implement-Queue-using-Stacks

234.Palindrome-Linked-List

235.Lowest-Common-Ancestor-of-a-Binary-Search-Tree

237.Delete-Node-in-a-Linked-List

238.Product-of-Array-Except-Self

241.Different-Ways-to-Add-Parentheses

242.Valid-Anagram

257.Binary-Tree-Paths

258.Add-Digits

260.Single-Number-III

263.Ugly-Number

264.Ugly-Number-II

273.Integer-to-English-Words

274.H-Index

278.First-Bad-Version

283.Move-Zeroes

287.Find-the-Duplicate-Number

290.Word-Pattern

292.Nim-Game

299.Bulls-and-Cows

300.Longest-Increasing-Subsequence

303.Range-Sum-Query---Immutable

304.Range-Sum-Query-2D---Immutable

309.Best-Time-to-Buy-and-Sell-Stock-with-Cooldown

318.Maximum-Product-of-Word-Lengths

319.Bulb-Switcher

324.Wiggle-Sort-II

326.Power-of-Three

328.Odd-Even-Linked-List

338.Counting-Bits

342.Power-of-Four

343.Integer-Break

344.Reverse-String

345.Reverse-Vowels-of-a-String

347.Top-K-Frequent-Elements

349.Intersection-of-Two-Arrays

350.Intersection-of-Two-Arrays-II

357.Count-Numbers-with-Unique-Digits

367.Valid-Perfect-Square

371.Sum-of-Two-Integers

374.Guess-Number-Higher-or-Lower

378.Kth-Smallest-Element-in-a-Sorted-Matrix

382.Linked-List-Random-Node

383.Ransom-Note

384.Shuffle-an-Array

387.First-Unique-Character-in-a-String

389.Find-the-Difference

391.Perfect-Rectangle

392.Is-Subsequence

394.Decode-String

396.Rotate-Function

399.Evaluate-Division

400.Nth-Digit

401.Binary-Watch

404.Sum-of-Left-Leaves

405.Convert-a-Number-to-Hexadecimal

406.Queue-Reconstruction-by-Height

409.Longest-Palindrome

412.Fizz-Buzz

413.Arithmetic-Slices

414.Third-Maximum-Number

415.Add-Strings

419.Battleships-in-a-Board

423.Reconstruct-Original-Digits-from-English

424.Longest-Repeating-Character-Replacement

434.Number-of-Segments-in-a-String

435.Non-overlapping-Intervals

436.Find-Right-Interval

437.Path-Sum-III

438.Find-All-Anagrams-in-a-String

441.Arranging-Coins

447.Number-of-Boomerangs

448.Find-All-Numbers-Disappeared-in-an-Array

452.Minimum-Number-of-Arrows-to-Burst-Balloons

453.Minimum-Moves-to-Equal-Array-Elements

455.Assign-Cookies

459.Repeated-Substring-Pattern

461.Hamming-Distance

462.Minimum-Moves-to-Equal-Array-Elements-II

463.Island-Perimeter

471.Simplify-Path

476.Number-Complement

485.Max-Consecutive-Ones

496.Next-Greater-Element-I

498.Diagonal-Traverse

503.Next-Greater-Element-II

506.Relative-Ranks

523.Continuous-Subarray-Sum

645.Set-Mismatch

674.Longest-Continuous-Increasing-Subsequence

680.Valid-Palindrome-II

746.Min-Cost-Climbing-Stairs

762.Prime-Number-of-Set-Bits-in-Binary-Representation

824.Goat-Latin

825.Friends-Of-Appropriate-Ages

826.Most-Profit-Assigning-Work

897.Increasing-Order-Search-Tree

906.Super-Palindromes

914.X-of-a-Kind-in-a-Deck-of-Cards

915.Partition-Array-into-Disjoint-Intervals

918.Maximum-Sum-Circular-Subarray

917.Reverse-Only-Letters

919.Complete-Binary-Tree-Inserter

925.Long-Pressed-Name

926.Flip-String-to-Monotone-Increasing

929.Unique-Email-Addresses

930.Binary-Subarrays-With-Sum

933.Number-of-Recent-Calls

934.Shortest-Bridge

937.Reorder-Log-Files

938.Range-Sum-of-BST

939.Minimum-Area-Rectangle

940.Distinct-Subsequences-II

941.Valid-Mountain-Array

942.DI-String-Match

943.Find-the-Shortest-Superstring

944.Delete-Columns-to-Make-Sorted

945.Minimum-Increment-to-Make-Array-Unique

946.Validate-Stack-Sequences

947.Most-Stones-Removed-with-Same-Row-or-Column

948.Bag-of-Tokens

949.Largest-Time-for-Given-Digits

950.Reveal-Cards-In-Increasing-Order

951.Flip-Equivalent-Binary-Trees

952.Largest-Component-Size-by-Common-Factor

953.Verifying-an-Alien-Dictionary

954.Array-of-Doubled-Pairs

955.Delete-Columns-to-Make-Sorted-II

957.Prison-Cells-After-N-Days

958.Check-Completeness-of-a-Binary-Tree

959.Regions-Cut-By-Slashes

973.K-Closest-Points-to-Origin

974.Subarray-Sums-Divisible-by-K

976.Largest-Perimeter-Triangle