矩阵行与列交换/打印c++

int matrix[3][3] = {
    {1, 2, 3},
    {4, 5, 6},
    {7, 8, 9}
};

#include <iostream>

void swapRows(int matrix[][3], int row1, int row2) {
    for (int i = 0; i < 3; i++) {
        int temp = matrix[row1][i];
        matrix[row1][i] = matrix[row2][i];
        matrix[row2][i] = temp;
    }
}

void swapColumns(int matrix[][3], int col1, int col2) {
    for (int i = 0; i < 3; i++) {
        int temp = matrix[i][col1];
        matrix[i][col1] = matrix[i][col2];
        matrix[i][col2] = temp;
    }
}

void printMatrix(int matrix[][3]) {
    for (int i = 0; i < 3; i++) {
        for (int j = 0; j < 3; j++) {
            std::cout << matrix[i][j] << " ";
        }
        std::cout << std::endl;
    }
}

int main() {
    int matrix[3][3] = {
        {1, 2, 3},
        {4, 5, 6},
        {7, 8, 9}
    };

    std::cout << "Original Matrix:" << std::endl;
    printMatrix(matrix);

    swapRows(matrix, 0, 2);
    std::cout << "Matrix after swapping rows 0 and 2:" << std::endl;
    printMatrix(matrix);

    swapColumns(matrix, 1, 2);
    std::cout << "Matrix after swapping columns 1 and 2:" << std::endl;
    printMatrix(matrix);

    return 0;
}