Varianta 18, Subiect 2

5.  #include<iostream>
using namespace std;
int a[1001][1001];
int main()
{
    int i, j, n;
    cin>>n;
    for(i=1; i<=n; i++)
    {
        for(j=1; j<=n; j++)
        {
            if(i%2!=0)
            {
                a[i][j]=i;
            }
            if(i%2==0)
            {
                a[i][j]=j;
            }
        }
    }
    for(i=1; i<=n; i++)
    {
        for(j=1; j<=n; j++)
        {
            cout<<a[i][j]<<" ";
        }
        cout<<'\n';
    }
    return 0;
}