#D. 括号匹配中配版

    Type: Default 1000ms 256MiB

括号匹配中配版

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假设表达式中允许包含两种括号:圆括号和中括号,其嵌套的顺序随意,但需要成对出现。即([])或[] ()()等为正确的格式,)([为不正确的格式。 给定一串括号输入(换行作为结束符),检测格式是否正确,若正确输出YES;错误输出NO。 (括号数量≤100)

输入描述

输出描述

样例输入 1

()[]

样例输出 1

YES

2024022103

Not Attended
Status
Done
Rule
ACM/ICPC
Problem
9
Start at
2024-2-21 17:00
End at
2024-2-21 18:30
Duration
1.5 hour(s)
Host
Partic.
10