Cod sursa(job #1048998)

Utilizator ValeraShulghin Valera Valera Data 6 decembrie 2013 18:42:25
Problema Factorial Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.27 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
ifstream f("fact.in");
ofstream g("fact.out");
long long n,i,p;

int main()
{
    f>>p;
    if (p==0)n=1; else n=0;
    for(i=5;i<=p;i*=5)
    {
    n++;
    p-=n;
    }

    if (p!=0) n=p*5;
    g<<n;
    return 0;
}