cpp-类

 1 #include <iostream>
 2 #include "Sales_item.h"
 3 int main()
 4 {
 5     Sales_item curr_item,item;
 6     if (std::cin>>curr_item){
 7         int cnt = 1;
 8         while (std::cin>>item){
 9             if (curr_item == item){
10                 ++cnt;
11             }
12             else {
13                 std::cout<<"书号为："<<curr_item.isbn()<<" 的书销售了"<<cnt<<" 次"<<std::endl;
14                 curr_item = item;
15                 cnt = 1;
16             }
17         }
18         std::cout<<"书号为："<<curr_item.isbn()<<" 的书销售了 "<<cnt<<" 次"<<std::endl;
19     }
20         system("pause");
21         return 0;
22 }