Cod sursa(job #2615382)

Utilizator iustina_iuluDiaconu Iustina iustina_iulu Data 14 mai 2020 15:38:55
Problema Factorial Scor 5
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.32 kb
Raporteaza aceasta sursa 
#include <fstream>

using namespace std;

int main()
{
    ifstream cin("fact.in");
    ofstream cout("fact.out");
    int p,x=1,s=0,cnt=0;
    cin>>p;
    s=p*5;
    p--;
    while(1)
    {
        cnt++;
        x*=5;
        if(x>p) break;
    }
    cnt--;
    s=s-5*cnt;
    cout<<s;
    return 0;
}