916 Checkerboard V1 Codehs Fixed Jun 2026

@Override protected void paintComponent(Graphics g) super.paintComponent(g); int rows = 8; int cols = 8; int squareSize = 100;

Solved 9.1.6: Checkerboard, v1 Save 1 # Pass this function a

If you are working through the CodeHS curriculum, you’ve likely encountered the assignment. It’s a classic challenge that tests your ability to use nested loops, coordinate systems, and conditional logic.

The system wants to see you access a specific spot in a 2D list (e.g., board[i][j] = 1 The Solution: Step-by-Step Fix 916 checkerboard v1 codehs fixed

# 1. Initialize the 8x8 grid with all 0s grid = [] for i in range(8): grid.append([0] * 8) # 2. Use a nested loop to set specific rows to 1 for i in range(8): # Only modify the top 3 (i < 3) or bottom 3 (i > 4) rows if i < 3 or i > 4: for j in range(8): grid[i][j] = 1 # 3. Print the board using the provided function # (Make sure print_board is defined or provided by CodeHS) print_board(grid) Use code with caution. Copied to clipboard

CodeHS often uses a custom GraphicsProgram class. Here is the for 9.1.6 Checkerboard (v1) in Java:

This creates the alternating pattern automatically. @Override protected void paintComponent(Graphics g) super

Does your version require you to the array from a method or print it directly? Share public link

# Move to the next column position t.penup() t.goto(current_x + (j + 1) * SIZE, current_y - i * SIZE) t.pendown()

// Instead of recalculating squareSize multiple times var squareSize = width / rows; // Calculate once var rect = new Rectangle(squareSize, squareSize); // Reuse object properties Initialize the 8x8 grid with all 0s grid

In the AP Computer Science A (Java) curriculum, this exercise usually requires you to populate a 2D array of booleans or integers representing a checkerboard. The Problem

This produces an 8x8 pattern of X's and O's, where X's represent black squares and O's represent white squares.