Cod sursa(job #591552)
| Utilizator |  Cristi Poputea Agent008 |
Data | 24 mai 2011 18:31:48 |
|---|---|---|---|
| Problema | Factorial | Scor | 20 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.32 kb |
#include<iostream.h>
#include<fstream.h>
fstream f("fact.in",ios::in), g("fact.out",ios::out);
long long contor,i,ok;
int main()
{
long long k,v;
f>>k;
while(contor<k && !ok)
{
i+=5;
v=i;
while(v%5==0)
{ v/=5;contor++;}
if(contor>k)
ok=1;
}
if(ok==1)
g<<"-1";
else
g<<i;
return 0;
}