- 4 Median of Sorted Array
- 5 Longest Palindromic Substring
- 33 & 81 Search in Rotated Sorted Array I/II
- Mind difference with Binary Search
- 74 Search 2D Matrix
- 91 Decode Ways
- 110 Balanced Binary Tree
- 140 Word Break II
- Beautiful code from samoshka
- 137 Single Number II
- 146 LRU Cache
- 168 Excel Sheet Column Title
- 169 & 229 Majority Elements I/II
- 189 Rotate Array
- 198 House Robber
- 200 Number of Islands
- 207 Course Schedule
- 214 Shortest Palindorme
- 215 Find Kth largest Element
- 218 Skyline Problem
- 230 Kth Smallest Element in BST
- 233 Number of Digit One
- 236 Lower Common Ancestor in Binary Tree
- 241 Different Ways to Add Parentheses
- Sliding window solution.
- 259 Minimum Size Subarray Sum
- 260 Single Number III
- 279 Perfect Square
- 287 Find the Duplicate Number
- Interesting solution.
- 293 & 294 Flip Game
- 300 Longest Increasing Subsequence
- 307 Range Sum Query - Mutable
Kala Kuo