Cod sursa(job #1546434)
Utilizator | Data | 8 decembrie 2015 00:31:54 | |
---|---|---|---|
Problema | Factorial | Scor | 5 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.24 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("fact.in");
ofstream fout("fact.out");
int main()
{
int p;
fin>>p;
if(p%6-5==0) fout<<"-1";
else fout<<(p-p/6)*5;
return 0;
}