[FEATURE REQUEST] <title>

[Ranci777]

What would you like to Propose?

public class ZeroMatrix {
public static void setZeroes(int[][] matrix) {
boolean firstRowHasZero = false;
boolean firstColHasZero = false;

    int m = matrix.length;
    int n = matrix[0].length;

    // Check if the first row has any zeros
    for (int j = 0; j < n; j++) {
        if (matrix[0][j] == 0) {
            firstRowHasZero = true;
            break;
        }
    }

    // Check if the first column has any zeros
    for (int i = 0; i < m; i++) {
        if (matrix[i][0] == 0) {
            firstColHasZero = true;
            break;
        }
    }

    // Use first row and first column to mark zeros
    for (int i = 1; i < m; i++) {
        for (int j = 1; j < n; j++) {
            if (matrix[i][j] == 0) {
                matrix[i][0] = 0;
                matrix[0][j] = 0;
            }
        }
    }

    // Set entire row to zeros
    for (int i = 1; i < m; i++) {
        if (matrix[i][0] == 0) {
            for (int j = 1; j < n; j++) {
                matrix[i][j] = 0;
            }
        }
    }

    // Set entire column to zeros
    for (int j = 1; j < n; j++) {
        if (matrix[0][j] == 0) {
            for (int i = 1; i < m; i++) {
                matrix[i][j] = 0;
            }
        }
    }

    // Handle first row and first column if needed
    if (firstRowHasZero) {
        for (int j = 0; j < n; j++) {
            matrix[0][j] = 0;
        }
    }

    if (firstColHasZero) {
        for (int i = 0; i < m; i++) {
            matrix[i][0] = 0;
        }
    }
}

public static void printMatrix(int[][] matrix) {
    for (int[] row : matrix) {
        for (int col : row) {
            System.out.print(col + " ");
        }
        System.out.println();
    }
}

public static void main(String[] args) {
    int[][] matrix = {{1, 1, 1}, {1, 0, 1}, {1, 1, 1}};

    System.out.println("Input Matrix:");
    printMatrix(matrix);

    setZeroes(matrix);

    System.out.println("\nOutput Matrix:");
    printMatrix(matrix);
}

}

Issue details

public class ZeroMatrix {
public static void setZeroes(int[][] matrix) {
boolean firstRowHasZero = false;
boolean firstColHasZero = false;

    int m = matrix.length;
    int n = matrix[0].length;

    // Check if the first row has any zeros
    for (int j = 0; j < n; j++) {
        if (matrix[0][j] == 0) {
            firstRowHasZero = true;
            break;
        }
    }

    // Check if the first column has any zeros
    for (int i = 0; i < m; i++) {
        if (matrix[i][0] == 0) {
            firstColHasZero = true;
            break;
        }
    }

    // Use first row and first column to mark zeros
    for (int i = 1; i < m; i++) {
        for (int j = 1; j < n; j++) {
            if (matrix[i][j] == 0) {
                matrix[i][0] = 0;
                matrix[0][j] = 0;
            }
        }
    }

    // Set entire row to zeros
    for (int i = 1; i < m; i++) {
        if (matrix[i][0] == 0) {
            for (int j = 1; j < n; j++) {
                matrix[i][j] = 0;
            }
        }
    }

    // Set entire column to zeros
    for (int j = 1; j < n; j++) {
        if (matrix[0][j] == 0) {
            for (int i = 1; i < m; i++) {
                matrix[i][j] = 0;
            }
        }
    }

    // Handle first row and first column if needed
    if (firstRowHasZero) {
        for (int j = 0; j < n; j++) {
            matrix[0][j] = 0;
        }
    }

    if (firstColHasZero) {
        for (int i = 0; i < m; i++) {
            matrix[i][0] = 0;
        }
    }
}

public static void printMatrix(int[][] matrix) {
    for (int[] row : matrix) {
        for (int col : row) {
            System.out.print(col + " ");
        }
        System.out.println();
    }
}

public static void main(String[] args) {
    int[][] matrix = {{1, 1, 1}, {1, 0, 1}, {1, 1, 1}};

    System.out.println("Input Matrix:");
    printMatrix(matrix);

    setZeroes(matrix);

    System.out.println("\nOutput Matrix:");
    printMatrix(matrix);
}

}

Additional Information

No response