Cod sursa(job #146014)

Utilizator dexter_dexMutascu Adrian - Dragos dexter_dex Data 1 martie 2008 00:46:14
Problema Factorial Scor 50
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
#include<fstream.h>
long int n,p,aux,x=0,i=0;
int main ()
{
ifstream f("fact.in");
ofstream g("fact.out");
f>>p;
if (p==0) g<<1;
 else {
while (x<p)
    {i=i+5;aux=i;
     while (aux)
       {if (aux%5==0) {x++;aux=aux/5;}
	    else break;}
    }
if (x==p) g<<i;
    else g<<-1;
       }
f.close();
g.close();
return 0;
}