长方柱类

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#include <iostream>using namespace std;class Cuboid{private:    double length;    double width;    double heigth;public:    void volume();    void areas();    void set_data(double a,double b,double c);};void Cuboid::volume(){    cout<<length*width*heigth<<'\n';}void Cuboid::areas(){    cout<<2*(length*heigth+length*width+width*heigth)<<'\n';}void Cuboid::set_data(double a,double b,double c){    length=a;    width=b;    heigth=c;}int main(){    double a1,a2,a3,b1,b2,b3,c1,c2,c3;    Cuboid bulk1,bulk2,bulk3;    cout<<"请依次输入三个长方柱的长宽高,三个一组。"<<'\n';    cin>>a1>>b1>>c1>>a2>>b2>>c2>>a3>>b3>>c3;    bulk1.set_data(a1,b1,c1);    bulk2.set_data(a2,b2,c2);    bulk3.set_data(a3,b3,c3);    cout<<"这三个长方柱的体积依次是："<<'\n';    bulk1.volume();    bulk2.volume();    bulk3.volume();    cout<<"这三个长方柱的表面积依次是："<<'\n';    bulk1.areas();    bulk2.areas();    bulk3.areas();    return 0;}

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