Cod sursa(job #1771061)

Utilizator KrimzonClichici Calin Krimzon Data 5 octombrie 2016 10:10:06
Problema Factorial Scor 5
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.31 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>

using namespace std;

int main (){

    ifstream fin("fact.in");
    ofstream out("fact.out");

    int n;

    cin >> n;

    int i = 1, p = 1;
    while(i <= n){

        p *= i;++i;
    }

    if(p > 0)
        out << p;
    else
        out << "-1";
}