#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; }