Cod sursa(job #509054)
Utilizator | Data | 10 decembrie 2010 10:50:53 | |
---|---|---|---|
Problema | Factorial | Scor | 5 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.29 kb |
#include<fstream>
using namespace std;
ifstream f("fact.in");
ofstream g("fact.out");
long o;
int main()
{
long zero=0,n=1;
f>>o;
long s=0,q=0,i;
if(o!=0)
{
while (zero<o/5)
{ n=n*5;
zero=zero*5+1;
}
if (zero==o) g<<n;
if (zero>o) g<<-1;
}
else g<<1;
return 0;
}