蘇昱安

1. #include<iostream>
   
2. #include<cstdlib>
   
3. using namespace std;
   
4. int main()
   
5. {
   
6.     int price[]={450,550,325,200,660,150,380};
   
7.     int p,q,sum=0;
   
8.     cout<<"智能玩具店"<<endl<<endl;
   
9.     cout<<"[商品價目表]"<<endl;
   
10.     cout<<"(1)遙控汽車\t450元"<<endl;
    
11.     cout<<"(2)飛機模型\t550元"<<endl;
    
12.     cout<<"(3)足球\t\t325元"<<endl;
    
13.     cout<<"(4)拼圖\t\t200元"<<endl;
    
14.     cout<<"(5)玩具槍\t660元"<<endl;
    
15.     cout<<"(6)可愛玩偶\t150元"<<endl;
    
16.     cout<<"(7)籃球\t\t380元"<<endl<<endl;
    
17.     cout<<"[使用說明]"<<endl;
    
18.     cout<<"依序輸入想購買的商品與數量,如籃球兩顆請輸入'7 2'"<<endl;
    
19.     cout<<"選購完畢時輸入'8 8'進入結帳頁"<<endl<<endl;
    
20.     start:
    
21.     cout<<"在此輸入: ";
    
22.     cin>>p>>q;
    
23.     if(p>=1 && p<=7 && q>0)
    
24.     {
    
25.         sum=sum+price[p-1]*q;
    
26.         goto start;
    
27.     }else if(p==8 && q==8)
    
28.     {
    
29.         goto checkout;
    
30.     }else
    
31.     {
    
32.         cout<<"輸入錯誤!"<<endl;
    
33.         goto start;            
    
34.     }
    
35.     checkout:
    
36.     cout<<endl<<"總共"<<sum<<"元!"<<endl;
    
37.    
    
38.     system("pause");
    
39.     return 0;
    
40. }

複製代碼