@[Llf0703](/space/show?uid=29696) @[刘家琪](/space/show?uid=101576) @[冰河世纪_朱](/space/show?uid=31841) @[圣羽之歌](/space/show?uid=40319)
by AlgoEmperor @ 2018-06-04 21:23:04
@[萌雨片](/space/show?uid=63708)
by AlgoEmperor @ 2018-06-04 21:25:01
@[Ofnoname](/space/show?uid=73489) flag == N + 1吧？？
by 天上一颗蛋 @ 2018-06-04 21:42:48
@[Ofnoname](/space/show?uid=73489) 打错了是 N - 1
by 天上一颗蛋 @ 2018-06-04 21:44:03
@[天上一颗蛋](/space/show?uid=56230) 太有道理了，已经AC，万分感谢。
by AlgoEmperor @ 2018-06-05 08:09:49