Cod sursa(job #449673)

Utilizator deiosxHalalai Tudor Andrei deiosx Data 6 mai 2010 18:50:24
Problema Factorial Scor 15
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.26 kb
Raporteaza aceasta sursa 
#include<fstream.h>
int main()
{
long int o,i;
ofstream g("fact.out");
ifstream f("fact.in");
f>>o;
int s=0,q=0;
if(o!=0)
{
for(i=5;s<=o/2;i=i+5)
{
q=i;
while(q%5==0)
{
s=s+1;
q=q/5;
}
}
if(s!=o)g<<-1;
else g<<i*2;
}
else g<<1;
return 0;
}