交换两个数组的内容：
#define _CRT_SECURE_NO_WARNINGS
#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;
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]);
}
printf("\narr2:");
for (i = 0; i < sizeof(arr1) / sizeof(arr1[0]); i++)
{
printf("%d", arr2[i]);
}
printf("\n");
system("pause");
return 0;
}
