@[路边的小石子](/space/show?uid=55282) N<=50,000,00，强行算不可能过
by 中2少年雷耶斯 @ 2017-09-17 10:37:29
a 的模数取小了，不能小于 n
by qwqKanade @ 2018-01-26 09:37:14
# 魔鬼AC代码
```
#include<bits/stdc++.h>
#define kkksc03 while
#define lin_toto long long
#define czz 100000000
#define FUCK return 0;
#define sb int main();
#define nb for
#define chen_zhe int
using namespace std;
lin_toto NOIP_2018,NOIP_2017=1;
chen_zhe main()
{
cin>>NOIP_2018;
nb(chen_zhe i=1;i<=NOIP_2018;i++)
{
NOIP_2017*=i;
kkksc03(NOIP_2017%10==0)NOIP_2017/=10;
NOIP_2017=NOIP_2017%czz;
}
cout<<NOIP_2017%10<<endl;
FUCK;
}
```
by BiuBiu_Miku @ 2018-05-06 14:38:04
要模100000000
by BiuBiu_Miku @ 2018-05-06 14:38:26
@[鼬神](/space/show?uid=58519) 这个变量名很危险。而且强行算真的行吗
by Taduro @ 2018-05-12 16:14:14
可以
by BiuBiu_Miku @ 2018-05-13 10:40:03
@[哈利_波特](/space/show?uid=58519) 为什么呢？
by 水墨青杉HAHA @ 2019-10-19 18:32:38
I don't know.
by 苏幕遮 @ 2020-05-15 20:37:38
mod 1000000000
by yangwenbin @ 2020-07-24 18:37:25