Cod sursa(job #300208)

Utilizator danyboy93Jurja Dan danyboy93 Data 7 aprilie 2009 12:01:00
Problema Factorial Scor 5
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.28 kb
Raporteaza aceasta sursa 
#include<fstream.h>
main()
{
ifstream in("fact.in");
ofstream o("fact.out");
long p, n, m, s=0,i;
in>>p;
n=p;

for(i=1;i<=p;i++)
{       s=i*5;
	if(s%25==0)
		n--;
	if(s%125==0)
		n-=2;
	if(s%625==0)
		n-=3;
}
n=n*5;


o<<n;


in.close();
o.close();
return 0;
}