第三周任务4

 

#include <iostream>using namespace std;class V{public:void a();void b();void c();void show();public:float l;float w;float h;float v;float s;};void V::a(){cout<<"请输入长，宽，高：";cin>>l;cin>>w;cin>>h;}void V::b(){v=l*w*h;}void V::c(){s=2*(l*w+l*h+w*h);}void V::show(){cout<<"体积："<<v<<"表面积："<<s<<endl;}int main(){    V t1,t2,t3;t1.a();t1.b();t1.c();t1.show();t2.a();t2.b();t2.c();t2.show();t3.a();t3.b();t3.c();t3.show();return 0;}