#include<stdio.h>#include<stdlib.h>//初始化數組void init(int arr[], int length){ int i = 0; printf("初始化數組->:\n "); for (i = 0; i<length; i++) {  scanf_s("%d", &arr[i]); }}//數組反向輸出void reverse(int arr[], int length){ int i = 0; printf("逆置數組->:\n"); for (i = length - 1; i >= 0; i--)//數組下標是從0開始的 {  printf("%d ", arr[i]); }}//清空數組（即數組中元素全部為零）void empty(int arr[], int length){ int i = 0; printf("清空數組->:\n"); for (i = 0; i<length; i++) {  arr[i] = 0;  printf("%d ", arr[i]); }}int main(){ int arr[10]; int i = 0; int length = 0; length = sizeof(arr) / sizeof(arr[0]); //函數的調用 init(arr, length); reverse(arr, length); printf("\n"); empty(arr, length); system("pause"); return 0;}