问题 H: V8 and Girlfriends
时间限制: 1 Sec 内存限制: 128 MB提交: 10 解决: 4
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题目描述
输入
输出
对于每个输入文件输出一行,若 V8 和妹子在一个社区,则输出 "YES" ,否
则输出 "NO" (不含引号)。
样例输入
2 10
1 2 2
1 3 2
1 4 2
1 5 2
2 3 2
2 4 2
2 5 2
3 4 2
3 5 2
4 5 2
5 6 1
6 7 2
6 8 2
6 9 2
6 10 2
7 8 2
7 9 2
7 10 2
8 9 2
8 10 2
9 10 2
样例输出
NO
提示
한국어
中文
فارسی
English
ไทย
Anything about the Problems, Please Contact Admin:admin
All Copyright Reserved 2010-2021 Xidian Programming Contest Online Judge TEAM
GPL2.0 2003-2014 HUSTOJ Project TEAM
Anything about the Problems, Please Contact Admin:admin
All Copyright Reserved 2010-2021 Xidian Programming Contest Online Judge TEAM
GPL2.0 2003-2014 HUSTOJ Project TEAM