Cod sursa(job #1121097)

Utilizator alin2002Ion Cocalaru alin2002 Data 25 februarie 2014 11:31:52
Problema Cifra Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.35 kb
Raporteaza aceasta sursa 
#include <fstream>

using namespace std;
long long n,s,i,l,j;
int main()
{
    ifstream fin("cifra.in");
    fin>>n;
    fin.close();
    ofstream fout("cifra.out");
    s=0;
    for(i=1;i<=n;i++)
    {
    l=1;
    for(j=1;j<=i;j++)
    {l=l*(i%10);
    l=l%10;
    }
    s=s+l%10;
    }
    fout<<s%10;
    fout.close();
    return 0;
}