int  main()
{
	int arr1[] = { 1, 2, 3, 4, 5 };
	int arr2[] = { 6, 7, 8, 9, 0 };
	int   sz = sizeof(arr1) / sizeof(arr1[0]);
	int i = 0;
    for ( i = 0;i<sz; i++)
	{
		    int tmp = arr1[i];
			arr1[i] = arr2[i];
			arr2[i] = tmp;
     }
	for (i = 0; i < sz; i++)
	{
		printf("%d ", arr1[i]);
	}
	printf("\n");
	for (i = 0; i < sz; i++)
	{
		printf("%d ", arr2[i]);
	}
	system("pause");
	return 0;
}