CF1411A.In-game Chat

普及/提高-

通过率：0%

AC君温馨提醒

该题目为【codeforces】题库的题目，您提交的代码将被提交至codeforces进行远程评测，并由ACGO抓取测评结果后进行展示。由于远程测评的测评机由其他平台提供，我们无法保证该服务的稳定性，若提交后无反应，请等待一段时间后再进行重试。

题目描述

You have been assigned to develop a filter for bad messages in the in-game chat. A message is a string $S$ of length $n$ , consisting of lowercase English letters and characters ')'. The message is bad if the number of characters ')' at the end of the string strictly greater than the number of remaining characters. For example, the string ")bc)))" has three parentheses at the end, three remaining characters, and is not considered bad.

输入格式

The first line contains the number of test cases $t$ ( $1 \leq t \leq 100$ ). Description of the $t$ test cases follows.

The first line of each test case contains an integer $n$ ( $1 \leq n \leq 100$ ). The second line of each test case contains a string $S$ of length $n$ , consisting of lowercase English letters and characters ')'.

输出格式

For each of $t$ test cases, print "Yes" if the string is bad. Otherwise, print "No".

You can print each letter in any case (upper or lower).

输入输出样例

输入#1

5
2
))
12
gl))hf))))))
9
gege)))))
14
)aa))b))))))))
1
)

输出#1

Yes
No
Yes
Yes
Yes

首页