【leetcode_easy_string】1614. Maximum Nesting Depth of the Parentheses

problem

1614. Maximum Nesting Depth of the Parentheses

理解题意；题目描述的比较繁琐，重在理解核心思想；

solution#1: 

code

参考

1. leetcode_easy_string_1614. Maximum Nesting Depth of the Parentheses;

2. LeetCode C++ 1614. Maximum Nesting Depth of the Parentheses【String】简单;

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