C++利用结构

#include <iostream>
using std::cout;
using std::endl;

//定义结构
struct Box{
	double length;
	double width;
	double height;
};
double volume(const Box& aBox);
int main(){
	Box box={70.0,60.0,40.0};
	double boxVolume=volume(box);
	cout << "Size of box is:"<<endl
		<< "length:"<<box.length<<endl
		<<""<<box.width<<endl
		<<"height:"<<box.height<<endl;
	cout <<"Voluem of box is:"<<boxVolume<<endl;
	return 0;	
} 
//计算体积的函数
double volume(const Box& box){
	return box.length*box.width*box.height;
}

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