递推啊
by jiangtaizhe001 @ 2020-04-11 15:53:02
我来帮帮你八
by Luban @ 2020-04-11 15:54:05
@[jiangtaizhe](/user/215042) 辣个，我们老师说要用递归
by 帅皮的瓜粉 @ 2020-04-11 15:54:06
@[帅皮的瓜粉](/user/330451) 好，你要递归也行
by Luban @ 2020-04-11 15:54:24
我怀疑你们老师说的是递推
by HearTheWindSing @ 2020-04-11 15:54:58
要开 unsigned long long 吧（
by cryozwq @ 2020-04-11 15:55:07
我也怀疑你们的老师说的是递推
by chenyilai @ 2020-04-11 15:56:05
@[wangyxhaha](/user/177072) 是真的递归qwq
by 帅皮的瓜粉 @ 2020-04-11 15:56:07
~~从没见过用递归做过河卒的人~~
by chenyilai @ 2020-04-11 15:56:40
@[Zyq612](/user/282751) 依旧 https://www.luogu.com.cn/record/32677528
by 帅皮的瓜粉 @ 2020-04-11 15:56:41