@[Yxy137](/user/1257836)
>$n \le 50$
要用高精度
by xiangzhenze611 @ 2024-02-15 21:42:52
@[Yxy137](/user/1257836) `long long` 存不下
by xiangzhenze611 @ 2024-02-15 21:43:44
@[Yxy137](/user/1257836) n太大的时候long long 也存不下了，考虑字符串吧
by Tubishu @ 2024-02-16 17:18:14
可以试试`double`.
by Abelxxyy @ 2024-02-20 19:11:15