Submission #1117530

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Source Code Expand

#include<iostream>
using namespace std;
int main() {
	long long int N, x = 1;
	cin >> N;
	for (int i = 1; i <= N; ++i) {
		x *= i;
		if (x >= 1000000007) {
			x -= 1000000007*(x / 1000000007);
		}
	}
	cout << x << endl;
	return 0;
}

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