在特征c++中，如何将NxM矩阵的每一行乘以Nx1标量的向量？

#include <iostream>

void multiplyMatrixByScalar(int matrix[][N], int scalar, int rows, int columns) {
    for (int i = 0; i < rows; i++) {
        for (int j = 0; j < columns; j++) {
            matrix[i][j] *= scalar;
        }
    }
}

int main() {
    const int N = 3;
    const int M = 4;

    int matrix[N][M] = { {1, 2, 3, 4}, {5, 6, 7, 8}, {9, 10, 11, 12} };
    int scalar = 2;

    multiplyMatrixByScalar(matrix, scalar, N, M);

    // 打印结果
    for (int i = 0; i < N; i++) {
        for (int j = 0; j < M; j++) {
            std::cout << matrix[i][j] << " ";
        }
        std::cout << std::endl;
    }

    return 0;
}