- #include<iostream>
- #include<cstdlib>
- using namespace std;
- int main()
- {
- int p,q,sum=0;
- string name[7]={"3","5","6 ",
- "2 ","1","手機","按摩棒 "};
- int price[7]={45,55,35,20,22,22000,380};
- cout<<"a"<<endl<<endl;
- cout<<"[商品價目表]"<<endl;
- for(int i=0; i<7; i++)
- {
- cout<<"("<<i+1<<")"<<name[i]<<"\t"<<price[i]<<"元"<<endl;
- }
- cout<<"(8)結帳"<<endl<<endl;
- re:
- cout<<"請輸入商品代碼: ";
- cin>>p;
- if(p==8)
- goto checkout;
- else if(p>=1 && p<=7)
- {
- cout<<"數量: ";
- cin>>q;
- if(q<=0)
- {
- cout<<"輸入錯誤!"<<endl;
- goto re;
- }
- sum+=price[p-1]*q;
- }
- else
- {
- cout<<"輸入錯誤!"<<endl;
- }
- goto re;
- checkout:
- cout<<endl<<"總共"<<sum<<"元!"<<endl;
- system("pause");
- return 0;
- }
複製代碼 |