| Mistake | Consequence | Fix | |---------|------------|-----| | (col % 2 == 0) only | Stripes, not checkerboard | Use (row + col) % 2 | | Using setFillColor instead of setColor | Square remains unfilled | Use setColor OR both setFilled(true) and setFillColor | | Forgetting setFilled(true) | Transparent squares | Add square.setFilled(true); | | Incorrect loop bounds (e.g., row <= ROWS ) | ArrayIndexOutOfBounds or extra row | Use < ROWS |
If (row + col) % 2 == 0 , draw color A. Otherwise, draw color B. This ensures that even if you have an even number of columns, the next row starts with the "opposite" color. 916 checkerboard v1 codehs fixed
: Ensure you initialize board = [] before the loops and row = [] inside the first loop. Index Management : Always use range(8) for an board to avoid "index out of bounds" errors. : Ensure you initialize board = [] before
Mastering the 916 Checkerboard v1: Solutions and Logic for CodeHS var square = new Rectangle(SQUARE_SIZE, SQUARE_SIZE); square
: Users might print a checkerboard pattern using a string or a simple print loop without actually updating the 2D list structure.
var square = new Rectangle(SQUARE_SIZE, SQUARE_SIZE); square.setPosition(x, y); square.setFilled(true);