将二维数组的每个元素乘以5 (C/C++)

#include <iostream>

// 二维数组每个元素乘以5的函数
void multiplyBy5(int arr[][5], int rows, int cols) {
    for (int i = 0; i < rows; i++) {
        for (int j = 0; j < cols; j++) {
            arr[i][j] *= 5;
        }
    }
}

int main() {
    // 定义一个5行5列的二维数组
    int array[5][5] = {
        {1, 2, 3, 4, 5},
        {6, 7, 8, 9, 10},
        {11, 12, 13, 14, 15},
        {16, 17, 18, 19, 20},
        {21, 22, 23, 24, 25}
    };

    // 调用函数将二维数组每个元素乘以5
    multiplyBy5(array, 5, 5);

    // 打印结果
    for (int i = 0; i < 5; i++) {
        for (int j = 0; j < 5; j++) {
            std::cout << array[i][j] << " ";
        }
        std::cout << std::endl;
    }

    return 0;
}

5 10 15 20 25 
30 35 40 45 50 
55 60 65 70 75 
80 85 90 95 100 
105 110 115 120 125