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Here is the complete, clean solution for the CodeHS 9.1.6 Checkerboard v1 exercise using JavaScript Graphics. javascript

: Some variations or autograders may require initializing the board with 0s first and then using nested loops to selectively assign to specific indices (e.g., board[i][j] = 1 Autograder Requirements : To pass all tests on , ensure you are using assignment statements

Do you need help adapting this logic into a (like Checkerboard v2)?

public class Checkerboard extends ConsoleProgram public static void main(String[] args) int size = 8; int[][] board = new int[size][size]; for (int row = 0; row < size; row++) for (int col = 0; col < size; col++) // Check if the sum of row and col is even if ((row + col) % 2 == 0) board[row][col] = 1; // "Color A" else board[row][col] = 0; // "Color B" // Helper method to print the board printBoard(board); private static void printBoard(int[][] board) for (int[] row : board) for (int val : row) System.out.print(val + " "); System.out.println(); Use code with caution. Copied to clipboard Visual Representation Key Concepts to Remember : int[][] board = new int[rows][cols];

Once you have mastered 9.1.6 Checkerboard v1 , challenge yourself with these modifications:

The outer for loop begins at r = 0 . Before it moves to r = 1 , the inner for loop executes completely from c = 0 to c = 7 . This draws the first horizontal row of the board from left to right. The process repeats for all 8 rows. The Modulo Condition

The exercise asks you to create a grid representation of a checkerboard. In many programming challenges, a simple grid is represented as a list of lists. The goal is to fill an board where: Zeros ( ) represent empty spaces. Ones ( ) represent checker pieces.

To understand why this code works, we must break it down into three core programming concepts: dynamic sizing, nested loop iteration, and conditional color assignment. 1. Dynamic Coordinate Calculation

. If each square has a side length of SQUARE_SIZE , the position of any square at row r and column c will start at