Cod sursa(job #279778)
| Utilizator |  Dragomir Lucian lucianvn |
Data | 12 martie 2009 23:19:38 |
|---|---|---|---|
| Problema | Factorial | Scor | 20 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.35 kb |
#include<fstream.h>
ifstream intrare ("fact.in");
ofstream iesire ("fact.out");
int main()
{
long long int p,x,i,count=0;
intrare>>p;
for(i=5;i<=p*5;i+=5)
{
x=i;
while(x%5==0)
{
x=x/5;
count++;
}
if(count>p)
{
iesire<<-1;
i=p*5+1;
}
else if(count==p)
{
iesire<<i;
i=p*5+1;
}
}
return 0;
}