Submission #1500882

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Source Code Expand

#include <bits/stdc++.h>
const long long MOD = 1000000007;
const int INF = INT_MAX / 2;
const long double PI = 3.1415926;
#define FOR(i, r, n) for(int i=(ll)(r); i<(ll)(n); i++) 
#define REP(i, n) FOR(i, (0), n)
#define ALL(r) r.begin(), r.end()
#define ll long long int
#define vci vector<ll>
#define vcs vector<string>
#define vcp vector<pair<ll, ll>>
#define vct vector<tuple<ll, ll, ll>>
using namespace std;
//vector<vector<ll>> vv(n, vector<ll>(n));

typedef int Weight;
struct Edge
{
	int from, to; Weight cost;
	bool operator < (const Edge& e) const { return cost < e.cost; }
	bool operator > (const Edge& e) const { return cost > e.cost; }
};
typedef vector<Edge> Edges;
typedef vector<Edges> Graph;
void add_edge(Graph &g, int from, int to, Weight cost)
{
	g[from].push_back(Edge{ from, to, cost });
}

int main()
{
	ll n;

	cin >> n;
	ll ans = 1;

	REP(i,n)
	{
		ans = ans*(i + 1);
		ans = ans%MOD;
	}
	cout << ans << endl;

}

Submission Info

Judge Result