Leetcode 946 Validate Stack Sequences

11-25

Leetcode 20 Valid Parentheses

11-13

Leetcode 84 Largest Rectangle in Histogram

10-24

Leetcode 71 Simplify Path

10-23

Leetcode 921 Minimum Add to Make Parentheses Valid

10-15

Leetcode 907 Sum of Subarray Minimums

09-16

Leetcode 503 Next Greater Element II

07-04

Leetcode 496 Next Greater Element I

07-03

Leetcode 844 Backspace String Compare

06-04