Cod sursa(job #552340)
| Utilizator |  Petrisor Andrei ndranraw |
Data | 12 martie 2011 09:47:35 |
|---|---|---|---|
| Problema | Factorial | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.27 kb |
#include<fstream>
using namespace std;
ifstream f("fact.in");
ofstream g("fact.out");
int main()
{
int p,N,a,c;
f>>p;
N=1;
a=1;
c=5;
while(p/5>1)
{p/=5;
c+=5;
for(N=1;N<=c;N++)
a*=N;}
if(p==0)
g<<-1;
else
g<<N;
g.close();
f.close();
}