@[chenshixue](/user/939292) $c$ 数组少一个 $0$ 啊
by liuruiqing @ 2024-04-20 16:36:39
容易发现，本题 $n \leq 10^6$
注意到你的c数组的定义只开了 $10^5$
by analysis @ 2024-04-20 16:36:41
@[chenshixue](/user/939292)
by analysis @ 2024-04-20 16:36:56
已关
by chenshixue @ 2024-04-21 13:20:31