李允軒

1. #include<iostream>
   
2. #include<cstdlib>
   
3. using namespace std;
   
4. 
   
5. int main()
   
6. {
   
7.     int x, y;
   
8.     x = 10;
   
9.     y = 5;
   
10.     int *xPtr, *yPtr;
    
11.     xPtr = &x;
    
12.     yPtr = &y;
    
13.     cout << "[對調前]" << endl;
    
14.     cout << " x = :" << *xPtr << endl;
    
15.     cout << " y = :" << *yPtr << endl;
    
16.     cout << "變數x的地址 :" << xPtr << endl;
    
17.     cout << "變數y的地址 :" << yPtr << endl;
    
18.     xPtr = &y;
    
19.     yPtr = &x;
    
20.     cout << "[對調後]" << endl;
    
21.     cout << " x = :" << *yPtr << endl;
    
22.     cout << " y = :" << *xPtr << endl;
    
23.     cout << "變數x的地址 :" << yPtr << endl;
    
24.     cout << "變數y的地址 :" << xPtr << endl;
    
25.     system("pause");
    
26.     return 0;
    
27. }

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