Cod sursa(job #26338)

Utilizator eraser_aCarp Andrei eraser_a Data 5 martie 2007 14:46:51
Problema Factorial Scor 20
Compilator c Status done
Runda Arhiva de probleme Marime 0.34 kb
Raporteaza aceasta sursa 
#include<stdio.h>

void main()
{
 int a,b;
 int n;
 int p;
 FILE *f,*g;
 a=0; b=0; n=1;
 f=fopen("fact.in","r");
 g=fopen("fact.out","w");
 fscanf(f,"%d",&p);
 fclose(f);
 while(a<p || b<p){
 long k;
 n=n+1;
 k=n;
 while(k%2==0)
 {
 k=k/2;
 a++;
 }
 while(k%5==0)
 {
 k=k/5;
 b++;
 }}
 fprintf(g,"%d",n);

 fclose(g);

}