20. Valid Parentheses Given a string containing just th […]
Repeated Substring Pattern-LeetCode#459
459. Repeated Substring Pattern Given a non-empty strin […]
Counting Bits-LeetCode#338
338. Counting Bits Given a non negative integer number […]
Perfect Squares-LeetCode#279
279. Perfect Squares Given a positive integer n, find t […]
Binary Tree Level Order Traversal-LeetCode#102
102. Binary Tree Level Order Traversal Given a binary t […]
Binary Tree Right Side View-LeetCode#199
199. Binary Tree Right Side View Given a binary tree, i […]
Find Largest Value in Each Tree Row-LeetCode#515
515. Find Largest Value in Each Tree Row You need to fi […]
Unique Email Addresses-LeetCode#929
929. Unique Email Addresses Every email consists of a l […]
Jewels and Stones-LeetCode#771
771. Jewels and Stones You’re given strings J rep […]
Valid Perfect Square-LeetCode#367
367. Valid Perfect Square Given a positive integer num, […]