Cod sursa(job #1070159)

Utilizator ValeraShulghin Valera Valera Data 31 decembrie 2013 09:53:02
Problema Factorial Scor 5
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.31 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
ifstream f("fact.in");
ofstream g("fact.out");

long a[100],n,i,j;


int main()
{
    f>>n;
    a[1]=5;
    for(i=2;i<=10;i++)
        a[i]=a[i-1]*5;

    for(i=1;i<=10;i++)
        for(j=a[i];j<=n;j+=a[i])
            n-=i;


    g<<n*5;
    return 0;
}