Cod sursa(job #2197724)

Utilizator msathqGheorghe Popa msathq Data 22 aprilie 2018 19:23:24
Problema Factorial Scor 5
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.3 kb
Raporteaza aceasta sursa 
#include<iostream>
#include<fstream>
using namespace std;

int main() {
	int n;
	unsigned long long f = 1;
	ifstream x;
	x.open("fact.in");
	x>>n;
	ofstream g;
	g.open("fact.out");
	if(n == 0) {
		g<<"1";
		return 0;
	}
	for(int i = 1; i <= n; i++) {
		f = f * i;
	}
	g<<f;
	return 0;
}