以下程序的打印结果是（）
1.#include
2.using namespace std;
3.
4.void swap_int(int a , int b)
5.{
6. int temp = a;
7. a = b;
8. b = temp;
9.}
10.
11.void swap_str(char*a , char*b)
12.{
13. char*temp = a;
14. a = b;
15. b = temp;
16.}
17.
18.int main(void)
19.{
20. int a = 10;
21. int b = 5;
22. char*str_a = "hello world";
23. char*str_b = "world hello";
24. swap_int(a , b);.
25. swap_str(str_a , str_b);
26. printf("%d %d %s %s\n",a,b,str_a,str_b);
27.
28. return 0;
29.}
https://www.nowcoder.com/questionTerminal/08e846bfb3aa41b1b592242835160194
