Cod sursa(job #1245679)

Utilizator andrei_fl97Andrei Florea andrei_fl97 Data 19 octombrie 2014 20:24:31
Problema Factorial Scor 5
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("fact.in");
ofstream g("fact.out");
int main()
{
    int n,k=0,s=0,c;
    f>>n;
    c=n;
    while(n>=5)
    {
        k++;
        n=n/5;
    }
    while(k!=0)
    {
        s=s+k;
        k--;
    }
    k=(c-s)*5;
    g<<k;
    return 0;

}