problema matrice 15.09.2015

/* Se citeste o matrice patratica de ordinul n din fisier. Afisati  suma numerele pare de sub diagonala secundara, precum si
numarul lor.
*/

#include <iostream>
#include <fstream>

using namespace std;

ifstream f("date.in");

int main()
{
    int n,a[100][100],i,j,s=0,c=0;
    f>>n;
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
        f>>a[i][j];
    for (i=2;i<=n;i++)
        for (j=n+2-i;j<=n;j++)
        if (a[i][j]%2==0)
    {
        s=s+a[i][j];
        c++;
    }
        cout<<s<<" "<<c;
    return 0;
}