public class Test3 {
	public static void main(String[] args) {
		int[][] grid = new int[5][5];
		for (int i = 0; i < grid.length; i++) {
			for (int j = 0; j < grid[i].length; j++) {
				grid[i][j] = i + j;
				
				System.out.print(grid[i][j] + " ");
			}
			System.out.println();
		}

		int[][] varGrid = new int[5][];
		for (int i = 0; i < varGrid.length; i++) {
			varGrid[i] = new int[i];
			for (int j = 0; j < varGrid[i].length; j++) {
				grid[i][j] = i - j;
				System.out.print(grid[i][j] + " ");
			}
			System.out.println();
		}
	}
}