for (i=0; i<n; ++i)
	{
		for (int j=0; j<+n; ++j)
		{
			if (j == k-1 || j == l-1)
				SetConsoleTextAttribute(hStdout, 4);
			else
				SetConsoleTextAttribute(hStdout, 6);
 			cout << a[i*n+j] << ' ';
		}
		cout << '\n';
	}