Cod sursa(job #663741)

Utilizator dutzulBodnariuc Dan Alexandru dutzul Data 18 ianuarie 2012 21:39:18
Problema Factorial Scor 15
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.34 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
ifstream f("fact.in");
ofstream g("fact.out");
long long   p,i,cif,X;
int main()
{
    f>>p;
    for(i=25;cif<p;i+=25)
    {
        X=i;
        cif+=4;
        while (X%5==0) X/=5,cif++;
    }
if (p==0) g<<1;
else
    cif==p?g<<i-5:g<<-1;
   f.close();
   g.close();
    return 0;
}