• rootwhois's Blog
  • Introduction
  • Algorithm
  • Leetcode
    • 15. 3Sum
    • 36. Valid Sudoku
    • 38. Count and Say
    • 58. Length of Last Word
    • 64. Minimum Path Sum
    • 66. Plus One
    • 68. Text Justification
    • 70. Climbing Stairs
    • 94. Binary Tree Inorder Traversal
    • 138. Copy List with Random Pointer
    • 144. Binary Tree Preorder Traversal
    • 155. Min Stack
    • 162. Find Peak Element
    • 165. Compare Version Numbers
    • 166. Fraction to Recurring Decimal
    • 171. Excel Sheet Column Number
    • 187. Repeated DNA Sequences
    • 206. Reverse Linked List
    • 211. Design Add and Search Words Data Structure
    • 223. Rectangle Area
    • 229. Majority Element II
    • 230. Kth Smallest Element in a BST
    • 232. Implement Queue using Stacks
    • 233. Number of Digit One
    • 237. Delete Node in a Linked List
    • 240. Search a 2D Matrix II
    • 260. Single Number III
    • 268. Missing Number
    • 273. Integer to English Words
    • 292. Nim Game
    • 295. Find Median from Data Stream
    • 299. Bulls and Cows
    • 300. Longest Increasing Subsequence
    • 313. Super Ugly Number
    • 318. Maximum Product of Word Lengths
    • 319. Bulb Switcher
    • 322. Coin Change
    • 326. Power of Three
    • 345. Reverse Vowels of a String
    • 367. Valid Perfect Square
    • 371. Sum of Two Integers
    • 384. Shuffle an Array
    • 391. Perfect Rectangle
    • 397. Integer Replacement
    • 405. Convert a Number to Hexadecimal
    • 412. Fizz Buzz
    • 413. Arithmetic Slices
    • 414. Third Maximum Number
    • 430. Flatten a Multilevel Doubly Linked List
    • 434. Number of Segments in a String
    • 437. Path Sum III
    • 438. Find All Anagrams in a String
    • 441. Arranging Coins
    • 443. String Compression
    • 446. Arithmetic Slices II - Subsequence