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方浩葦發表於 2024-7-13 09:09 | 只看該作者

[隨堂測驗] 購物系統 (三)

新增 "購物清單" 功能，使結帳時能不只計算出價錢，還能列出細目。
參考執行畫面如下：



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2#
林少謙發表於 2024-7-13 16:28 | 只看該作者
本帖最後由 林少謙 於 2024-7-13 20:47 編輯
  1. #include<iostream>
  2. #include<cstdlib>
  3. using namespace std;
  4. int main()
  5. {
  6.     re:
  7.     system("cls");
  8.     string a[]{"遙控汽車","飛機模型","足球    ","拼圖    ","玩具槍  ","可愛玩偶","籃球    ",};
  9.     int b[]={450,550,325,200,660,150,380};
  10.     int c[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
  11.     int d[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};

  13.     cout<<"☆★☆智能玩具店☆★☆"<<endl<<endl;
  14.     cout<<"商品價目表"<<endl;
  15.     for(int i=0; i<7;  i++)
  16.     {
  17.         cout<<"<"<<i+1<<">"<<a[i]<<"\t"<<b[i]<<"元"<<endl;
  18.     }
  19.     cout<<"<8>結帳"<<endl;
  20.     cout<<endl;
  21.     int x,y,z=-1,w=-1,sum=0;
  22.     re2:
  23.     cout<<"請輸入商品代碼:";
  24.     cin>>x;
  25.     if(x==8)
  26.     {
  27.         goto out;
  28.     }
  29.     else if(x>=1&&x<=7)
  30.     {
  31.         cout<<"請輸入購買數量:";
  32.         cin>>y;
  33.         z++;
  34.         sum+=b[x-1]*y;
  35.         c[z]+=y;
  36.         d[z]+=x;
  37.         goto re2;
  38.     }
  39.     else
  40.     {
  41.         cout<<"輸入錯誤"<<endl;
  42.         goto re2;
  43.     }
  44.     out:
  45.     cout<<endl;
  46.     cout<<"[購物清單]"<<endl;
  47.     cout<<"------------------------"<<endl;
  48.     for(int i=0 ; i<=30 ;i++)
  49.     {
  50.         if(d[i]!=0)
  51.         {
  52.             cout<<a[d[i]-1]<<"\t"<<b[d[i]-1]<<"元*"<<c[i]<<"個"<<endl;
  53.         }
  54.     }
  55.     cout<<"------------------------"<<endl;
  56.     cout<<endl<<"總共"<<sum<<"元!"<<endl;

  58.     system("pause");
  59.     goto re;
  60.     return 0;
  61. }
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3#
高湘庭發表於 2024-7-14 20:01 | 只看該作者
  1. #include<iostream>
  2. #include<cstdlib>
  3. using namespace std;
  4. int main(){
  5. while(true){
  6. system("cls");
  7. int p,q, sum = 0;
  8. int t[7]={0};
  9. string name[]={"遙控汽車","飛機模型","足球    ","拼圖    ","玩具槍  ","可愛玩偶","籃球    "};
  10. int price[]={450,550,325,200,660,150,380};
  11. cout<<"☆★☆智能玩具店☆★☆"<<endl<<endl;
  12. cout<<"[商品價目表]"<<endl;
  13. for(int i=0;i<7;i++){
  14. cout<<"<"<<i+1<<">"<<name[i]<<"\t"<<price[i]<<"元"<<endl;}
  15. cout<<"<8>"<<"結帳"<<endl;



  19. while(true){
  20. cout<<"請輸入商品代碼"<<endl;
  21. cin>>p;
  22.   if(p==8)
  23. break;
  24. else if(p>=1&&p<=7){
  25. cout<<"數量:";
  26. cin>>q;
  27. sum+=price[p-1]*q;
  28. t[p-1]+=q;
  29. }
  30. else{
  31. cout<<"無效的商品代碼,請重新輸入"<<endl;
  32. }

  34. }

  36. cout<<"=================="<<endl;
  37. cout<<"[購物清單]"<<endl;
  38. for(int i=0;i<7;i++){
  39.     if(t[i]>0)
  40. cout<<name[i]<<"\t\t"<<price[i]<<"*"<<t[i]<<"個"<<endl;

  42. }
  43. cout<<"===================="<<endl;


  46. cout<<endl<<"總共"<<sum<<"元!"<<endl;
  47.     system("pause");
  48. }



  52. return 0;
  53. }
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4#
陳妍蓁發表於 2024-7-20 14:26 | 只看該作者
  1. #include<iostream>
  2. #include<cstdlib>
  3. using namespace std;
  4. int main(){
  5. re:
  6.     system("cls");
  7.     int x,y,sum=0;
  8.     int t[7]={0};
  9.     string n[7]={"遙控汽車","飛機模型","足球  ","拼圖  ","玩具槍 ","可愛玩偶","籃球  "};
  10.     int p[7]={450,550,325,200,660,150,380};

  12.     cout<<"***智能玩具店***"<<endl;
  13.     cout<<"[價目表]"<<endl;
  14.     for(int i=0;i<7;i++)
  15.         cout<<"("<<i+1<<")"<<n[i]<<"\t"<<p[i]<<"元"<<endl;
  16.     cout<<"(8)結帳"<<endl;
  17. re2:
  18.     cout<<"請輸入商品代號: "<<endl;
  19.     cin>>x;
  20.     if(x==8)
  21.         goto checkout;
  22.     else if(x>=1&&x<=7){
  23.         cout<<"輸入數量"<<endl;
  24.         cin>>y;
  25.         sum+=p[x-1]*y;
  26.         t[x-1]=t[x-1]+y;
  27.         goto re2;
  28.     }
  29.     else
  30.         goto re;
  31.     checkout:
  32.         cout<<"[購物清單]"<<endl;
  33.         cout<<"--------------------------------"<<endl;
  34.         for(int i=0;i<7;i++){
  35.             if(t[i]>0)
  36.             cout<<n[i]<<"\t"<<p[i]<<"元*"<<t[i]<<endl;
  37.         }
  38.         cout<<"--------------------------------"<<endl;
  39.         cout<<"總共"<<sum<<"元"<<endl;

  41. system("pause");
  42. goto re;
  43. return 0;

  45. }
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5#
劉奕劭發表於 2024-7-20 14:38 | 只看該作者
  1. #include<iostream>
  2. #include<cstdlib>
  3. using namespace std;
  4. int main()
  5. {
  6.     re:
  7.     system("cls");
  8.     int p,q,r=0;
  9.     int z=0;
  10.     string a[]={"遙控汽車","飛機模型","足球    ","拼圖    ","玩具槍  ","可愛玩偶","籃球    "};
  11.     int b[]={450,550,325,200,660,150,380};
  12.     int c[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
  13.     int d[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};

  15.     cout<<"智能玩具店"<<endl;
  16.     cout<<endl;
  17.     cout<<"[商品價目表]"<<endl;
  18.     for(int i=0; i<=6; i++)
  19.         cout<<"("<<i+1<<")"<<a[i]<<"\t"<<b[i]<<"元"<<endl;
  20.     cout<<"(8)"<<"結帳"<<endl;
  21.     re2:
  22.     cout<<"請輸入商品代碼:";
  23.     cin>>p;
  24.     if(p==8){

  26.         goto checkout;

  28.     }
  29.     else if(p<=7&&p>=1){

  31.         cout<<"數量: ";
  32.         cin>>q;

  34.         r+=b[p-1]*q;
  35.         c[z]=p;
  36.         d[z]=q;
  37.         z++;
  38.         goto re2;
  39.     }
  40.     else{

  42.         cout<<"輸入錯誤"<<endl;
  43.         goto re2;

  45.     }

  47.     checkout:
  48.     cout<<"[購物清單]"<<endl;
  49.     for(int i=0;i<=z;i++){
  50.     if(z>1){
  51.     cout<<a[c[i]-1]<<"\t\t"<<b[c[i]-1]<<"*"<<d[i]<<"個"<<endl;
  52.         }

  54.     }
  55.     cout<<"===================="<<endl;

  57.     cout<<"總共"<<r<<"元!"<<endl;

  59.     system("pause");
  60.     goto re;
  61.     return 0;
  62. }
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6#
洪榮辰發表於 2024-7-20 14:51 | 只看該作者
  1. #include<iostream>
  2. #include<cstdlib>
  3. using namespace std;
  4. int main()
  5. {
  6.     re:
  7.     system("cls");
  8.     int x, y, sum=0;
  9.     int t[7]={0};
  10.     string name[]={"遙控汽車","飛機模型","足球    ","拼圖    ","玩具槍  ","可愛玩偶","籃球    "};
  11.     int price[]={450,550,325,200,660,150,380};
  12.     cout<<"***智能玩具店***"<<endl<<endl;
  13.     cout<<"[商品價目表]"<<endl;
  14.     for(int i=0; i<7; i++)
  15.         cout<<"("<<i+1<<")"<<name[i]<<"\t"<<price[i]<<"元"<<endl;
  16.     cout<<"(8)結帳"<<endl<<endl;
  17.     re2:
  18.     cout<<"請輸入商品代碼: ";
  19.     cin>>x;
  20.     if(x==8)
  21.     {
  22.         cout<<endl;
  23.         goto checkout;
  24.     }
  25.     else if(x>=1 && x<=7)
  26.     {
  27.         cout<<"數量: ";
  28.         cin>>y;
  29.         sum+=price[x-1]*y;
  30.         t[x-1]=t[x-1]+y;
  31.         goto re2;
  32.     }
  33.     checkout:
  34.     cout<<"[購物清單]"<<endl;
  35.     cout<<"============================"<<endl;
  36.     for(int i=0; i<7; i++)
  37.     {
  38.         if(t[i]>0)
  39.         cout<<name[i]<<"\t"<<price[i]<<"元"<<" x "<<t[i]<<"個"<<endl;
  40.     }
  41.     cout<<"============================"<<endl;
  42.     cout<<"總共"<<sum<<"元!"<<endl;
  43.     system("pause");
  44.     goto re;
  45.     return 0;
  46. }
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7#
李唯銘發表於 2024-7-26 15:31 | 只看該作者
  1. #include<iostream>
  2. #include<cstdlib>
  3. using namespace std;
  4. int main()
  5. {
  6.     re:
  7.     system("cls");
  8.     string a[]{"遙控汽車","飛機模型","足球    ","拼圖    ","玩具槍  ","可愛玩偶","籃球    ",};
  9.     int b[]={450,550,325,200,660,150,380};
  10.     int c[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
  11.     int d[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};

  13.     cout<<"☆★☆智能玩具店☆★☆"<<endl<<endl;
  14.     cout<<"商品價目表"<<endl;
  15.     for(int i=0; i<7;  i++)
  16.     {
  17.         cout<<"<"<<i+1<<">"<<a[i]<<"\t"<<b[i]<<"元"<<endl;
  18.     }
  19.     cout<<"<8>結帳"<<endl;
  20.     cout<<endl;
  21.     int x,y,z=-1,w=-1,sum=0;
  22.     re2:
  23.     cout<<"請輸入商品代碼:";
  24.     cin>>x;
  25.     if(x==8)
  26.     {
  27.         goto out;
  28.     }
  29.     else if(x>=1&&x<=7)
  30.     {
  31.         cout<<"請輸入購買數量:";
  32.         cin>>y;
  33.         z++;
  34.         sum+=b[x-1]*y;
  35.         c[z]+=y;
  36.         d[z]+=x;
  37.         goto re2;
  38.     }
  39.     else
  40.     {
  41.         cout<<"輸入錯誤"<<endl;
  42.         goto re2;
  43.     }
  44.     out:
  45.     cout<<endl;
  46.     cout<<"[購物清單]"<<endl;
  47.     cout<<"------------------------"<<endl;
  48.     for(int i=0 ; i<=30 ;i++)
  49.     {
  50.         if(d[i]!=0)
  51.         {
  52.             cout<<a[d[i]-1]<<"\t"<<b[d[i]-1]<<"元*"<<c[i]<<"個"<<endl;
  53.         }
  54.     }
  55.     cout<<"------------------------"<<endl;
  56.     cout<<endl<<"總共"<<sum<<"元!"<<endl;

  58.     system("pause");
  59.     goto re;
  60.     return 0;
  61. }
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