Cod sursa(job #482945)

Utilizator deiosxHalalai Tudor Andrei deiosx Data 6 septembrie 2010 11:58:50
Problema Factorial Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.35 kb
Raporteaza aceasta sursa 
#include<fstream.h>
void main()
{
long p,i,nr,n5,x,fr;
n5=0;
ifstream f("fact.in");
ofstream g("fact.out");
f>>p;
 if(p==0)
 g<<1;
 else
 {
 for(i=1;;i++)
 {
  if(i%5==0)
  {
   x=i;
   fr=0;
   while(x%5==0)
   {
    x=x/5;
    fr++;
   }
   n5=n5+fr;
  }
  n5++;
  if(n5>=p)break;
 }

if(n5==p)
g<<5*i;
if(n5>p)
g<<-1;
}
}