Algorithm문제풀이: LeetCode의 “20. Valid Parentheses” (easy)
Leetcode의 Top Interview Questions Easy Collection 중에 Others 문제입니다.
Algorithm문제풀이: LeetCode의 “20. Valid Parentheses” (easy)
🧑🚀문제링크: https://leetcode.com/problems/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.
Example 1:
Input: s = "()"
Output: true
Example 2:
Input: s = "()[]{}"
Output: true
Example 3:
Input: s = "(]"
Output: false
Constraints:
1 <= s.length <= 104
s consists of parentheses only '()[]{}'.
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