Cod sursa(job #10712)

Utilizator anna_bozianuBozianu Ana anna_bozianu Data 29 ianuarie 2007 01:07:04
Problema Factorial Scor 25
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.34 kb
Raporteaza aceasta sursa 
#include<stdio.h>
int main()
{   long int q=0,n=0,p,a;
    FILE *f=fopen("fact.in","r");
    fscanf(f,"%ld",&p);
    if(p==0) n=1;
       else while(q<p)
               { n+=5; a=n;
                 while(a%5==0) {q++; a/=5;}
                }
    FILE *g=fopen("fact.out","w");
    fprintf(g,"%ld",n);
    fcloseall();
    return 0;
}