@[skiy_gyx](/user/48625) 十年oi一场空...
by KellyFrog @ 2020-02-09 20:25:22
不开(*？？*)见祖宗
by KellyFrog @ 2020-02-09 20:25:39
@[longer_name](/user/95103) 开了丫
by skiy_gyx @ 2020-02-09 20:26:43
是WA了吗
by KellyFrog @ 2020-02-09 20:55:12
@[skiy_gyx](/user/48625) 你的lazy_tag呢
by w33z8kqrqk8zzzxЗ3 @ 2020-02-09 20:56:12
@[skiy_gyx](/user/48625) `spread`的时候是不是不要`if`啊......
by apocryphal @ 2020-02-09 21:24:59
@[wxq1229](/user/108616) 的确是不要if，但是请问为啥呀
by さらばだ @ 2020-02-10 00:05:06
@[wxq1229](/user/108616) 钱哥佛啊$orz$
by skiy_gyx @ 2020-02-10 08:04:58
@[skiy_gyx](/user/48625) @[liuziyi1610553410](/user/205344)
因为当$multag$在$mod \ p$意义下是$0$也要下传吧$QwQ$
by apocryphal @ 2020-02-10 08:17:15