《C++ Primer》 2.6 自定义数据结构

Allenone

编写一个书店数据结构，统计输入的两个数据。

[C++] 纯文本查看 复制代码

#include <iostream>

using namespace std;

struct Sales_date {
	string bookNo;
	unsigned units_sold = 0;
	double price = 0;
	double revenue = 0.0;
};

int main() {
	Sales_date data1, data2;
	cin >> data1.bookNo >> data1.units_sold >> data1.price;
	data1.revenue = data1.price * data1.units_sold;
	
	cin >> data2.bookNo >> data2.units_sold >> data2.price;
	data2.revenue = data2.price * data2.units_sold;

	if (data1.bookNo == data2.bookNo) {
		double totalRevenue = data1.revenue + data2.revenue;
		unsigned totalSold = data1.units_sold + data2.units_sold;
		cout << data1.bookNo << " " << totalSold << " " << totalRevenue << endl;
	}
	else {
		cout << "Data must refer to same ISBN" << endl;
		return -1;
	}

	return 0;
}

cuixh11

感谢分享

zTATs

看两个是不是同一本书了

jokeplayer

刚刚开始学习这个