Cod sursa(job #59504)

Utilizator CosminStirbuStirbu Cosmin CosminStirbu Data 9 mai 2007 16:11:43
Problema Factorial Scor 45
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.3 kb
Raporteaza aceasta sursa 
#include<stdio.h>
int main()
{
  long k,p,i,m;
  FILE*f=fopen("fact.in","r");
  FILE*g=fopen("fact.out","w");
  fscanf(f,"%ld",&p);
  k=0;
  i=0;
  while (k<p)
    { i+=5;
      m=i;
      while (m%5==0){ m=m/5; k++;}}
  if (k==0) fprintf(g,"-1");
   else fprintf(g,"%ld ",i);
 
  return 0;}