来的都是热心大佬！帮帮忙！！！！
by zhoukangyang @ 2020-02-14 16:54:19
@[zhoukangyang](/user/173660) 可以考虑去看一看CF官网上你这道题的评测，CF的测试数据都是全公开的，照那个数字算一下，看看到了哪里有bug
by mnesia @ 2020-02-14 17:08:07
@[devinwang](/user/156004)
by zhoukangyang @ 2020-02-14 17:11:42
@[mnesia](/user/115711) orz好的
by zhoukangyang @ 2020-02-14 17:12:02
已AC本帖结
by zhoukangyang @ 2020-02-14 17:32:22
王老师不好意思
by zhoukangyang @ 2020-02-14 19:40:45