说明:
(1)使用中间变量tmp,实现交换
(2)注意交换函数实现时可传值(在main函数里面),引用,传指针的实现,具体可以参见我的博客:http://10740184.blog.51cto.com/10730184/1697629
#include<stdio.h> #include<stdlib.h> void swap(int* p1, int* p2) { int tmp = *p1; *p1 = *p2; *p2 = tmp; } void swaparray() { int arr1[10] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }; int arr2[10] = { 13, 21, 34, 44, 54, 66, 72, 80, 91, 100 }; int len = sizeof(arr1) /sizeof(arr1[0]);//动态 int i = 0; for (; i < len; i++) { swap(&arr1[i], &arr2[i]); } for (i = 0; i < len; i++) { printf("%d ", arr1[i]); } printf("\n"); for (i = 0; i < len; i++) { printf("%d ", arr2[i]); } } int main() { swaparray(); system("pause"); return 0; }