Cod sursa(job #265749)
| Utilizator |  Paval Cristi Onisim siminescu |
Data | 24 februarie 2009 13:07:37 |
|---|---|---|---|
| Problema | Factorial | Scor | 5 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.25 kb |
#include<fstream.h>
int main()
{
long long p,q,a;
ifstream f("fact.in");
ofstream g("fact.out");
f>>p;
a=p;
while(p>5)
{
a=a-p/5+1;
p=p/5+p%5;
}
if(p==5)
g<<-1;
else
{
q=a*5;
g<<q;
}
f.close();
g.close();
return 0;
}