[LeetCode] 20. Valid Parentheses

轉自LeetCode

Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.

The brackets must close in the correct order, "()" and "()[]{}" are all valid but "(]" and "([)]" are not.

<Solution>

這題不難，典型的 stack 解法

code 如下

C++

Java


kotlin