張絜晰

1. #include<iostream>
   
2. #include<cstdlib>
   
3. using namespace std;
   
4. int main()
   
5. {
   
6.     float x,y;
   
7.     cout<<"底= ";
   
8.     cin>>x;
   
9.     cout<<"高= ";
   
10.     cin>>y;
    
11.     cout<<x<<"*"<<y<<"/2="<< x*y/2<<endl;
    
12.     system("pause");
    
13.     return 0;   
    
14. }

複製代碼