mirror of
https://git.sb/baoshuo/OI-codes.git
synced 2024-11-23 23:08:47 +00:00
15 lines
230 B
C++
15 lines
230 B
C++
// R38740581
|
|
|
|
#include <bits/stdc++.h>
|
|
|
|
using namespace std;
|
|
|
|
int ans[13] = {0, 1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3628800, 39916800, 479001600};
|
|
|
|
int main() {
|
|
int n;
|
|
cin >> n;
|
|
cout << ans[n];
|
|
return 0;
|
|
}
|