Needcode150
2021
- Leetcode 98 Validate Binary Search Tree Aug 17
- Leetcode 297 Serialize and Deserialize Binary Tree Aug 16
- Leetcode 124 Binary Tree Maximum Path Sum Aug 16
- Leetcode 105 Construct Binary Tree from Preorder and Inorder Traversal Aug 16
- Leetcode 199 Binary Tree Right Side View Aug 10
- Leetcode 1448 Count Good Nodes in Binary Tree Aug 10
- Leetcode 102 Binary Tree Level Order Traversal Aug 6
- Leetcode 230 Kth Smallest Element in a BST Jul 25
- Leetcode 84 Largest Rectangle in Histogram Jul 24
- Leetcode 42 Trapping Rain Water Jul 24
- Leetcode 11 Container With Most Water Jul 24
- Leetcode 424 Longest Repeating Character Replacement Jul 19
- Leetcode 3 Longest Substring Without Repeating Characters Jul 19
- Leetcode 76 Minimum Window Substring Jul 18
- Leetcode 567 Permutation in String Jul 18
- Leetcode 239 Sliding Window Maximum Jul 18
- Leetcode 875 Koko Eating Bananas Jul 13
- Leetcode 74 Search a 2D Matrix Jul 13
- Leetcode 981 Time Based Key-Value Store Jul 11
- Leetcode 4 Median of Two Sorted Arrays Jul 11
- Leetcode 33 Search in Rotated Sorted Array Jul 11
- Leetcode 153 Find Minimum in Rotated Sorted Array Jul 10
- Leetcode 155 Min Stack Jun 5
- Leetcode 150 Evaluate Reverse Polish Notation Jun 5
- Leetcode 110 Balanced Binary Tree Jun 1
- Leetcode 020 Valid Parentheses May 23
- Leetcode 143 Reorder List May 11
- Leetcode 138 Copy List with Random Pointer May 9
- Leetcode 019 Remove Nth Node From End of List May 9
- Leetcode 002 Add Two Numbers May 8
- Leetcode 853 Car Fleet Apr 17
- Leetcode 739 Daily Temperatures Apr 17
- Leetcode 22 Generate Parentheses Apr 17
- Leetcode 287 Find the Duplicate Number Apr 3
- Leetcode 25 Reverse Nodes in k-Group Apr 3
- Leetcode 23 Merge k Sorted Lists Apr 3
- Leetcode 146 LRU Cache Apr 3
- Leetcode 226 Invert Binary Tree Mar 25
- Leetcode 572 Subtree of Another Tree Mar 24
- Leetcode 235 Lowest Common Ancestor of a Binary Search Tree Mar 24
- Leetcode 104 Maximum Depth of Binary Tree Mar 24
- Leetcode 543 Diameter of Binary Tree Mar 22
- Leetcode 100 Same Tree Mar 20
- Leetcode 704 Binary Search Mar 15
- Leetcode 021 Merge Two Sorted Lists Mar 13
- Leetcode 206 Reverse Linked List Mar 12
- Leetcode 141 Linked List Cycle Mar 4
- Leetcode 121 Best Time to Buy and Sell Stock Mar 2