Cod sursa(job #386554)
| Utilizator |  Popescu Silviu crushack |
Data | 25 ianuarie 2010 10:45:32 |
|---|---|---|---|
| Problema | Factorial | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.28 kb |
#include <iostream>
using namespace std;
int main()
{
long int p,a,r,ax={0};
cout<<"p=";cin>>p;
a=p*5;
r=5;
ax=a;
while (r<a){
r*=5;
if (r==ax){
a=-1;
break;
}
a-=5;
}
if (p==0) cout<<1;
else cout <<a;
cin.get();
cin.get();
return 0;
}