- #include<iostream>
- #include<cstdlib>
- using namespace std;
- int main()
- {
- start:
- string name[7]={"遙控飛機",
- "水槍 ",
- "玩偶 ",
- "足球 ",
- "拼圖 ",
- "籃球 ",
- "玩具車"};
- int price[7]={5000,6500,7000,6550,8888,3000,7500,};
- int qty[7]={0,0,0,0,0,0,0};
- int p,q,sum=0,option,pay,money,a;
- cout<<"***貴死人玩具店***"<<endl<<endl;
- cout<<"[商品價目表]"<<endl;
- for(int i=0;i<=6;i++)
- {
- cout<<"("<<i+1<<")"<<name[i]<<"\t"<<price[i]<<"元"<<endl;
- }
- cout<<"(8)結帳"<<endl<<endl;
- cout<<"[優惠方案]消費滿一萬享9折優惠!!!"<<endl<<endl;
- re:
- cout<<"請輸入商品代碼:"<<endl;
- cin>>p;
- if(p>=1 && p<=7)
- {
- cout<<"請輸入數量:"<<endl;
- cin>>q;
- if(q>0)
- {
- sum+=price[p-1]*q;
- qty[p-1]+=q;
- goto re;
- }
- else
- {
- cout<<"輸入錯誤!"<<endl;
- goto re;
- }
- }
- else if(p==8)
- {
- goto checkout;
- }
- else
- {
- cout<<"輸入錯誤!"<<endl;
- goto re;
- }
- checkout:
- cout<<"[購物清單]"<<endl;
- cout<<"==========================="<<endl;
- for(int i=0;i<=6;i++)
- {
- if(qty[i]!=0)
- cout<<"("<<i+1<<")"<<name[i]<<"\t"<<price[i]<<"元*"<<qty[i]<<"個"<<endl;
- }
- cout<<"==========================="<<endl;
- cout<<endl<<"總共"<<sum<<"元!"<<endl<<endl;
- if(sum<10000)
- {
- cout<<"您還差"<<10000-sum<<"元就可享9折優惠,需重新選購嗎?"<<endl;
- cout<<"1-要 2-不用了,謝謝"<<endl;
- cin>>a;
- if(a==1)
- {
- system("cls");
- goto start;
- }
- }
- else if(sum>=10000)
- {
- cout<<"由於消費滿一萬,所以可享9折優惠"<<endl;
- cout<<"您只要付"<<sum*0.9<<"元!,省下了"<<sum*0.1<<"元喔!!"<<endl;
- sum*=0.9;
- }
- cout<<endl<<"1-正確無誤 2-重新選購"<<endl;
- cin>>option;
- if(option==1)
- {
- goto pay;
- }
- else if(option==2)
- {
- system("cls");
- goto start;
- }
- else
- {
- cout<<"輸入錯誤!"<<endl;
- goto start;
- }
- pay:
- cout<<"請付帳:";
- cin>>pay;
- money=pay-sum;
- if(money<0)
- {
- cout<<"您付的錢還不夠,還差"<<-money<<"元!"<<endl;
- goto pay;
- }
- else if(money==0)
- {
- cout<<"你付的錢剛剛好,請慢走"<<endl;
- }
- else
- {
- cout<<"找您"<<money<<"元!"<<endl;
- if(money>=500)
- {
- cout<<"500元鈔票"<<money/500<<"張"<<endl;
- money%=500;
- }
- if(money>=100)
- {
- cout<<"100元鈔票"<<money/100<<"張"<<endl;
- money%=100;
- }
- if(money>=50)
- {
- cout<<"50元硬幣"<<money/50<<"枚"<<endl;
- money%=50;
- }
- if(money>=10)
- {
- cout<<"10元硬幣"<<money/10<<"枚"<<endl;
- money%=10;
- }
- if(money>=5)
- {
- cout<<"5元硬幣"<<money/5<<"枚"<<endl;
- money%=5;
- }
- if(money>=1)
- {
- cout<<"1元硬幣"<<money<<"枚"<<endl;
- money=money%1;
- }
- }
- system("pause");
- return 0;
- }
複製代碼 |