Web Reference: Valid Parentheses Difficulty: Easy Topic: String Stack Leetcode: 20. Valid Parentheses 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. Mar 21, 2021 · Hi everyone, in this blog I’m going to teach you how to solve a common interview question called “Valid Parentheses” using JavaScript. Although this question is considered easy, I found it quite tricky to get the optimal solution the first time I encountered it. Can you solve this real interview question? Valid Parentheses - Given a string s containing just the characters ' (', ')', ' {', '}', ' [' and ']', determine if the input string is valid.
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