LeetCode解题报告
  • LeetCode解题报告
  • Easy
    • 1086. High Five
    • 283. Move Zeros
    • 443. String Compression
    • 38. Count and Say
    • 169. Majority Element
    • 349. Intersection of Two Arrays
    • 58. Length of Last Word
    • 70. Climbing Stairs
    • 455. Assign Cookies
    • 83. Remove Duplicates from Sorted List
    • 160. Intersection of Two Linked Lists
    • 206. Reverse Linked List
    • 122. Best Time to Buy and Sell Stock II
    • 760. Find Anagram Mappings
    • 804. Unique Morse Code Words
    • 905. Sort Array By Parity
    • 852. Peak Index in a Mountain Array
    • 961. N-Repeated Element in Size 2N Array
    • 832. Flipping an Image
    • 617. Merge Two Binary Trees
    • 700. Search in a Binary Search Tree
    • 409. Longest Palindrome
    • 657. Robot Return to Origin
    • 942. DI String Match
    • 728. Self Dividing Numbers
    • 944. Delete Columns to Make Sorted
    • 509. Fibonacci Number
    • 1021. Remove Outermost Parentheses
    • 171. Excel Sheet Column Number
    • 999. Available Captures for Rook
    • 252. Meeting Rooms
    • 482. License Key Formatting
    • 844. Backspace String Compare
    • 938. Range Sum of BST
    • 557. Reverse Words in a String III
    • 922. Sort Array By Parity II
    • 559. Maximum Depth of N-ary Tree
    • 849. Maximize Distance to Closest Person
    • 463. Island Perimeter
    • 665. Non-decreasing Array
    • 53. Maximum Subarray
    • 448. Find All Numbers Disappeared in an Array
    • 141. Linked List Cycle
    • 937. Reorder Log Files
    • 303. Range Sum Query - Immutable
    • 1103. Distribute Candies to People
    • 202. Happy Number
    • 232. Implement Queue using Stacks
    • 1119. Remove Vowels from a String
    • 9. Palindrome Number
    • 266. Palindrome Permutation
    • 125. Valid Palindrome
    • 246. Strobogrammatic Number
    • 168. Excel Sheet Column Title
    • 38. Count and Say
    • 242. Valid Anagram
    • 290. Word Pattern
    • 293. Flip Game
    • 205. Isomorphic Strings
    • 345. Reverse Vowels of a String
    • 344. Reverse String
    • 383. Ransom Note
    • 387. First Unique Character in a String
    • 58. Length of Last Word
    • 14. Longest Common Prefix
    • 1122. Relative Sort Array
    • 219. Contains Duplicate II
    • 13. Roman to Integer
    • 169. Majority Element
    • 299. Bulls and Cows
    • 290. Word Pattern
    • 205. Isomorphic Strings
    • 744. Find Smallest Letter Greater Than Target
    • 763. Partition Labels
    • 110. Balanced Binary Tree
    • 543. Diameter of Binary Tree
    • 111. Minimum Depth of Binary Tree
    • 392. Is Subsequence
    • 20. Valid Parentheses
    • 7. Reverse Integer
    • 66. Plus One
    • 258. Add Digits
    • 67. Add Binary
    • 367. Valid Perfect Square
    • 204. Count Primes
    • 941. Valid Mountain Array
    • 100. Same Tree
    • 101. Symmetric Tree
    • 226. Invert Binary Tree
    • 257. Binary Tree Paths
    • 112. Path Sum
    • 113. Path Sum II
    • 104. Maximum Depth of Binary Tree
    • 111. Minimum Depth of Binary Tree
    • 110. Balanced Binary Tree
    • 107. Binary Tree Level Order Traversal II
    • 235. Lowest Common Ancestor of a Binary Search Tree
    • 256. Paint House
    • 1165. Single-Row Keyboard
    • 637. Average of Levels in Binary Tree
    • 141. Linked List Cycle
    • 276. Paint Fence
    • 237. Delete Node in a Linked List
    • 203. Remove Linked List Elements
    • 21. Merge Two Sorted Lists
    • 278. First Bad Version
    • 35. Search Insert Position
    • 349. Intersection of Two Arrays
    • 350. Intersection of Two Arrays II
    • 234. Palindrome Linked List
    • 937. Reorder Data in Log Files
    • 733. Flood Fill
    • 1114. Print in Order
    • 27. Remove Element
    • 339. Nested List Weight Sum
    • 155. Min Stack
    • 225. Implement Stack using Queues
    • 389. Find the Difference
    • 136. Single Number
    • 26. Remove Duplicates from Sorted Array
    • 80. Remove Duplicates from Sorted Array II
    • 189. Rotate Array
    • 572. Subtree of Another Tree
    • 359. Logger Rate Limiter
    • 346. Moving Average from Data Stream
    • 118. Pascal's Triangle
    • 119. Pascal's Triangle II
    • 217. Contains Duplicate
    • 243. Shortest Word Distance
    • 121. Best Time to Buy and Sell Stock
  • Medium
    • 621. Task Scheduler
    • 1823. Find the Winner of the Circular Game
    • 340. Longest Substring with At Most K Distinct Characters
    • 209. Minimum Size Subarray Sum
    • 142. Linked List Cycle II
    • 451. Sort Characters By Frequency
    • 503. Next Greater Element II
    • 807. Max Increase to Keep City Skyline
    • 285. Inorder Successor in BST
    • 395. Longest Substring with At Least K Repeating Characters
    • 12. Integer to Roman
    • 807. Max Increase to Keep City Skyline
    • 392. Is Subsequence
    • 763. Partition Labels
    • 1110. Delete Nodes And Return Forest
    • 1109. Corporate Flight Bookings
    • 370. Range Addition
    • 238. Product of Array Except Self
    • 3. Longest Substring Without Repeating Characters
    • 161. One Edit Distance
    • 249. Group Shifted Strings
    • 49. Group Anagrams
    • 6. ZigZag Conversion
    • 294. Flip Game II
    • 345. Reverse Vowels of a String
    • 151. Reverse Words in a String
    • 324. Wiggle Sort II
    • 215. Kth Largest Element in an Array
    • 280. Wiggle Sort
    • 56. Merge Intervals
    • 287. Find the Duplicate Number
    • 11. Container With Most Water
    • 271. Encode and Decode Strings
    • 5. Longest Palindromic Substring
    • 39. Combination Sum
    • 229. Majority Element II
    • 275. H-Index II
    • 244. Shortest Word Distance II
    • 55. Jump Game
    • 245. Shortest Word Distance III
    • 40. Combination Sum II
    • 216. Combination Sum III
    • 77. Combinations
    • 78. Subsets
    • 90. Subsets II
    • 131. Palindrome Partitioning
    • 17. Letter Combinations of a Phone Number
    • 739. Daily Temperatures
    • 46. Permutations
    • 49. Group Anagrams
    • 253. Meeting Rooms II
    • 540. Single Element in a Sorted Array
    • 267. Palindrome Permutation II
    • 187. Repeated DNA Sequences
    • 165. Compare Version Numbers
    • 43. Multiply Strings
    • 144. Binary Tree Preorder Traversal
    • 94. Binary Tree Inorder Traversal
    • 102. Binary Tree Level Order Traversal
    • 129. Sum Root to Leaf Numbers
    • 298. Binary Tree Longest Consecutive Sequence
    • 337. House Robber III
    • 103. Binary Tree Zigzag Level Order Traversal
    • 199. Binary Tree Right Side View
    • 1169. Invalid Transactions
    • 98. Validate Binary Search Tree
    • 236. Lowest Common Ancestor of a Binary Tree
    • 254. Factor Combinations
    • 47. Permutations II
    • 31. Next Permutation
    • 60. Permutation Sequence
    • 62. Unique Paths
    • 63. Unique Paths II
    • 279. Perfect Squares
    • 139. Word Break
    • 322. Coin Change
    • 64. Minimum Path Sum
    • 221. Maximal Square
    • 24. Swap Nodes in Pairs
    • 328. Odd Even Linked List
    • 92. Reverse Linked List II
    • 120. Triangle
    • 82. Remove Duplicates from Sorted List II
    • 2. Add Two Numbers
    • 33. Search in Rotated Sorted Array
    • 81. Search in Rotated Sorted Array II
    • 153. Find Minimum in Rotated Sorted Array
    • 162. Find Peak Element
    • 374. Guess Number Higher or Lower
    • 34. Find First and Last Position of Element in Sorted Array
    • 300. Longest Increasing Subsequence
    • 48. Rotate Image
    • 54. Spiral Matrix
    • 59. Spiral Matrix II
    • 73. Set Matrix Zeroes
    • 311. Sparse Matrix Multiplication
    • 74. Search a 2D Matrix
    • 240. Search a 2D Matrix II
    • 370. Range Addition
    • 79. Word Search
    • 200. Number of Islands
    • 994. Rotting Oranges
    • 286. Walls and Gates
    • 323. Number of Connected Components in an Undirected Graph
    • 130. Surrounded Regions
    • 60. Permutation Sequence
    • 127. Word Ladder
    • 79. Word Search
    • 364. Nested List Weight Sum II
    • 150. Evaluate Reverse Polish Notation
    • 394. Decode String
    • 347. Top K Frequent Elements
    • 332. Reconstruct Itinerary
    • 341. Flatten Nested List Iterator
    • 318. Maximum Product of Word Lengths
    • 207. Course Schedule
    • 210. Course Schedule II
    • 384. Shuffle an Array
    • 277. Find the Celebrity
    • 133. Clone Graph
    • 399. Evaluate Division
    • 356. Line Reflection
    • 310. Minimum Height Trees
    • 223. Rectangle Area
    • 261. Graph Valid Tree
    • 211. Add and Search Word - Data structure design
    • 208. Implement Trie (Prefix Tree)
    • 362. Design Hit Counter
    • 281. Zigzag Iterator
    • 8. String to Integer (atoi)
    • 15. 3Sum
    • 18. 4Sum
    • 134. Gas Station
    • 981. Time Based Key-Value Store
    • 1007. Minimum Domino Rotations For Equal Row
    • 1057. Campus Bikes
    • 309. Best Time to Buy and Sell Stock with Cooldown
  • Hard
    • 4. Median of Two Sorted Arrays
    • 188. Best Time to Buy and Sell Stock IV
    • 123. Best Time to Buy and Sell Stock III
    • 145. Binary Tree Postorder Traversal
    • 265. Paint House II
    • 154. Find Minimum in Rotated Sorted Array II
    • 315. Count of Smaller Numbers After Self
    • 305. Number of Islands II
    • 42. Trapping Rain Water
    • 45. Jump Game II
Powered by GitBook