Cod sursa(job #2088851)

Utilizator FlorinCioroianuFlorin Cioroianu FlorinCioroianu Data 15 decembrie 2017 22:20:37
Problema Factorial Scor 100
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 p,m,s,n;
int main()
{
    f>>p;
    for(n=4*p;s<p;n++)
        for(m=n,s=0;m!=0;m/=5,s+=m);
            if(s!=p)
                g<<-1;
                else if(p==0)
                g<<1;
                else
                g<<n-1;
}