Cod sursa(job #2318850)

Utilizator ArMyFoRHeLLmihai mihai ArMyFoRHeLL Data 13 ianuarie 2019 15:45:12
Problema Factorial Scor 5
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.35 kb
Raporteaza aceasta sursa 
#include <fstream>

using namespace std;



ifstream f("fact.in");
ofstream g("fact.out");


int main()
{
    int n;
    f >> n;
    if ((n + 1) % 6 == 0)
        g << -1;
    else
        if ( n == 0 )
            g << 0;
        else if ( n == 1 )
            g << 5;
        else
            g << (n - n / 5) * 5;
    return 0;

}