Submission #1515187

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Source Code Expand

#define _CRT_SECURE_NO_WARNINGS
#define _USE_MATH_DEFINES
#include <iostream>
#include <iomanip>
#include <string>
#include <cmath>
#include <vector>
#include <algorithm>
#include <queue>
#include <functional>

using namespace std;

#define MOD 1000000007
#define INT_MAX

int main()
{
	int n;
	cin >> n;

	long long res = 1;
	
	for (long long i = 1; i <= n; i++) {
		res = (i * res) % MOD;
	}

	cout << res << endl;

	return (0);
}

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