Easystack
Valid Parentheses
TIME: O(n)
SPACE: O(n)
Problem Statement
Given a string s containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. An input string is valid if open brackets are closed by the same type of brackets, and closed in the correct order.
Real Engineering Applications
In production systems, this concept directly maps to caching index layers, route lookups optimizations, compiler scope parsing validations, and multi-thread dependency schedulers.
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solution.js
Console Output