Cod sursa(job #2794312)

Utilizator gifiVidru Rares gifi Data 4 noiembrie 2021 17:34:41
Problema Factorial Scor 10
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.31 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
ifstream cin("fact.in");
ofstream cout("fact.out");
int main()
{long long int p,n=0;
cin>>p;
for (long long int i=1;i<=p;i++)
    {long long int c=i;
    n+=5;
    while (c%5==0)
        {i++;
        c/=5;
        }
    }
if (p==0) n=1;
cout<<n;
    return 0;
}