Cod sursa(job #1803880)

Utilizator botondkozmanKozman Botond botondkozman Data 11 noiembrie 2016 23:19:30
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 f("fact.in");
    ofstream g("fact.out");
    long long int n;
    f>>n;
    long long int fact=1;
    for (long long int i=0; i<n; i++)
    {
        fact=fact*(i+1);
    }
    if (n<0)g<<-1;
    else g<<fact;
}