funky_matrix_1.cpp

#include <iostream>
using namespace std;
int main()
{
    int n;
    cin >> n;
    int a[n][n];
    for(int i = 0; i < n; ++i)
    {
        for(int j = 0; j < n; ++j)
        {
            a[i][j] = n*i + j + 1 ;
        }
    }

    for(int i = 0; i < n; ++i)
    {
        for(int j = 0; j < n; ++j)
        {
            cout << a[i][j] << " ";
        }
        cout << endl;
    }
}