高湘庭

1. #include<iostream>
   
2. #include<cstdlib>
   
3. using namespace std;
   
4. int main(){
   
5. int x,y,tmp;
   
6. re:
   
7.     system("cls");
   
8. cout<<"請依序輸入兩正整數";
   
9. cin>>x>>y;
   
10. cout<<"x="<<x<<"y="<<y<<endl;
    
11. tmp=x;//x值丟給tmp
    
12. x=y;//y值丟給x
    
13. y=tmp;//同理
    
14. cout<<endl;
    
15. cout<<"對調後:"<<endl;
    
16. cout<<"x="<<x<<"y="<<y<<endl;
    
17. 
    
18. 
    
19. system("pause");
    
20. goto re;
    
21. return 0;
    
22. 
    
23. }

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