Cod sursa(job #664156)

Utilizator emyll96Constantinescu Emil emyll96 Data 19 ianuarie 2012 18:52:05
Problema Factorial Scor 50
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.31 kb
Raporteaza aceasta sursa 
#include<stdio.h>
int a,b=0,c=0,d=0,e=0;
FILE*j;
FILE*g;
int main()
{
j=fopen("fact.in","r");
fscanf(j,"%d",&a);
while(e<a)
{
	b=b+5;
	c=b;
	while(c%5==0)
	{
		c=c/5;
		++d;
	}
	e=e+d;
	d=0;
}
if(e>a) b=-1;
if(a==0) b=1;
fclose(j);
g=fopen("fact.out","w");
fprintf(g,"%d",b);
fclose(g);
}