You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
16 lines
220 B
16 lines
220 B
2 years ago
|
#include<bits/stdc++.h>
|
||
|
|
using namespace std;
|
||
|
|
int main()
|
||
|
|
{
|
||
|
|
const int MOD = 1000000;
|
||
|
|
int i, n;
|
||
|
|
long long S = 0;
|
||
|
|
scanf("%d", &n);
|
||
|
|
for( i = n; i >= 1; i-- )
|
||
|
|
S = (S + 1) * i % MOD;
|
||
|
|
printf("%lld\n", S);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|