交换大小相等的两个一维数组的内容

#include<stdio.h>
#include<stdlib.h>
int main()
{
	int arr1[10] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 };
	int arr2[10] = { 0, 9, 8, 7, 6, 5, 4, 3, 2, 1 };
	int i = 0;
	//数组交换
	for (i = 0; i < sizeof(arr1) / sizeof(arr1[0]); i++)
	{
		int tmp = arr1[i];
		arr1[i] = arr2[i];
		arr2[i] = tmp;
	}
	printf("arr1:");
	for (i = 0; i < sizeof(arr1)/sizeof(arr1[0]); i++)
	{
		printf("%d", arr1[i]);//打印数组arr1[]
	}
	printf("\narr2:");
	for (i = 0; i < sizeof(arr1) / sizeof(arr1[0]); i++)
	{
		printf("%d", arr2[i]);//打印数组arr2[]
	}
	printf("\n");
	return 0;
}