2d Array Grid display

[ajs1351]

hi there, i been for trying to create 5x5 grid that

basically display first column, last column , and diagonally (like " N " display). but i cant get it to work.
this is what i have so far.

  int _tmain(int argc, _TCHAR* argv[])
{
	char board[5][5];
	for (int i = 0; i < 5; i++)
	{
		for (int j = 0; j < 5; j++)
		{
			if (i == j){ cout << ' '<<endl; }
			else{ cout << 'N'; }

		}
		
	}
	
	

	return 0;
}