Cod sursa(job #931203)

Utilizator AeroHHorea Stefan AeroH Data 28 martie 2013 02:18:25
Problema Factorial Scor 5
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.35 kb
Raporteaza aceasta sursa 
#include <fstream>
#include <algorithm>
using namespace std;
ifstream f("fact.in");
ofstream g("fact.out");
int i,p,rasp,j;
int main()
{
    f>>p;
    rasp=p;
    j=1;
    for (i=5;i<p;i*=5)
    {
        if (p%i==0)
        rasp-=p/5-1;
        else rasp-=p/5;
    }
if (p!=0)
    g<<rasp*5<<'\n';
    else g<<-1<<'\n';
    return 0;
}