stack (1) 썸네일형 리스트형 [LeetCode] 20. Valid Parentheses 1. Description Givian a string s containing just the characters '(', ')', '{', '}', '[', and ']', determine if the input string is valid. An input string is valid if : Open bracket must be closed by the same type of brackets Open brackets must be closed in the correct order. Every closed bracket has a corresponding bracket of the same type. constraints : 1 check if the current element is same wi.. 이전 1 다음
