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