Cod sursa(job #931206)
Utilizator | Data | 28 martie 2013 02:31:23 | |
---|---|---|---|
Problema | Factorial | Scor | 5 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.29 kb |
#include <fstream>
#include <algorithm>
using namespace std;
ifstream f("fact.in");
ofstream g("fact.out");
int i,p,rasp,j;
int main()
{
f>>p;
rasp=p;
j=1;
for (i=6;i<=p;i*=6)
p-=p/i;
if (p!=0)
g<<p*5<<'\n';
else g<<-1<<'\n';
return 0;
}