数据范围...
by 半仙胡小桃 @ 2018-04-26 08:34:37
1239的代码就该了输入输出就A了。。。
by Juan_feng @ 2018-08-10 09:07:35
改
by Juan_feng @ 2018-08-10 09:07:52
还有
https://www.luogu.org/problemnew/show/P1179
by ChthollyTree @ 2018-08-14 15:57:08