求助
by W_churchill @ 2020-04-09 18:01:49
~~函数名好评~~
by Scrutiny @ 2020-04-09 18:01:55
emmm看看数据范围吧。。
by IntrepidStrayer @ 2020-04-09 18:02:26
必须用数学做法罢
by Scrutiny @ 2020-04-09 18:03:20
开long long了呀
by W_churchill @ 2020-04-09 18:03:31
20!约是$2.4329020081766\times 10^{18}$
by IntrepidStrayer @ 2020-04-09 18:03:33
这个阶乘就爆了啊
by critnos @ 2020-04-09 18:03:38
是输出末尾0的个数不对
by W_churchill @ 2020-04-09 18:04:03
@[Qinclude](/user/224791) ~~自行脑补$10^{8}!$~~
by IntrepidStrayer @ 2020-04-09 18:04:07
@[Qinclude](/user/224791) 您用这个阶乘函数试试输出 jc(50)
by critnos @ 2020-04-09 18:05:00