Editorial for 校長的Excel
Remember to use this editorial only when stuck, and not to copy-paste code from it. Please be respectful to the problem author and editorialist.
Submitting an official solution before solving the problem yourself is a bannable offence.
Submitting an official solution before solving the problem yourself is a bannable offence.
Author:
僅供參考
using namespace std;
int main() {
int n, p;cin >> n >> p;
if(n >= p) {
cout << 0;
return 0;
}
int ans = 1;
for(int i = 1;i <= n;i++) {
ans *= i;
ans %= p;
}
cout << ans;
return 0;
}
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