Cod sursa(job #404696)

Utilizator ClasianMunteanu Petre Clasian Data 26 februarie 2010 15:43:49
Problema Factorial Scor 25
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.35 kb
Raporteaza aceasta sursa 
#include<fstream.h>
ifstream f("fact.in");
ofstream g("fact.out");
int n,p,s;
int fct(int n)
{ int k=0,s=5;
  while(n/s) { k+=n/s;
               s*=5;
             }
  return k;           
}
int main()
{ f>>p;
  while(s<p) { n+=5;
               s=fct(n);
             }
  if(!n)g<<1;
  else g<<n;
  f.close();
  g.close();
  return 0;
}