Leetcode 20

Leetcode 20: Valid Parenthesis

Category : Easy Problem Given a string s containing just the characters ‘(‘, ‘)’, ‘{‘, ‘}’, ‘[‘ and ‘]’, determine if the input string is valid. An input string is valid if: Open brackets must be closed by the same type of brackets. Open brackets must be closed in the correct order. leetcode.com/problems/valid-parentheses/ Examples: Example 1

Example 2

Example 3

Example …

Leetcode 20: Valid Parenthesis Read More »