@[Silencedied](/space/show?uid=78585) 不要用cin，cin很慢的~
by namespace_std @ 2018-08-13 11:49:42
~~O2youhua~~（逃
by Apro1066 @ 2018-08-13 11:52:17
那咋么解决RE的问题那
求教
by Silencedied @ 2018-08-13 12:52:09
@[namespace_std](/space/show?uid=85053) 试一下哈
by Silencedied @ 2018-08-13 12:52:25
@[namespace_std](/space/show?uid=85053) 还是不行哎
by Silencedied @ 2018-08-13 13:02:20
用数位DP很快的。
by 李小弟 @ 2019-03-16 15:24:53