Cod sursa(job #600126)

Utilizator iordache.bogdanIordache Ioan-Bogdan iordache.bogdan Data 30 iunie 2011 16:49:14
Problema Factorial Scor 15
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.35 kb
#include <fstream.h>

long n,p,p1,tmp,s;

long fact(long q)

{
  long x=1;
  s=0;
  while(x<=q)
  {
    x=x*5;
    tmp=q/x;
    s=s+tmp;
  }
  return s;
}

int main()
{
  ifstream f("fact.in");
  ofstream g("fact.out");
  f>>p;n=1;
  while(p1!=p)
  {
    n++;
    p1=fact(n);
  }
  g<<n;
  f.close();
  g.close();
  return 0;
}