57 lines
1.1 KiB
C++
57 lines
1.1 KiB
C++
#include <iostream>
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#include <string>
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#include <cmath>
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#include <vector>
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using namespace std;
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class Geometry {
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public:
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virtual string type()=0;
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virtual float volume()=0;
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};
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class Box : public Geometry {
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private:
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int dimX, dimY, dimZ;
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public:
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Box(int _dimX, int _dimY, int _dimZ){
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dimX=_dimX;
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dimY=_dimY;
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dimZ=_dimZ;
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}
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virtual string type(){
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return "Box";
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}
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virtual float volume(){
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return(dimX*dimZ*dimY);
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}
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};
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class Ball : public Geometry {
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private:
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int radius;
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public:
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Ball(int _radius){
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radius=_radius;
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}
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virtual string type(){
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return "Ball";
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}
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virtual float volume(){
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return (float)4/3*M_PI*pow(radius, 3);
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}
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};
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int main()
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{
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vector<Geometry*> geometries = {
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(Geometry*)new Box(10, 2, 3),
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(Geometry*)new Box(3, 3, 1),
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(Geometry*)new Ball(5),
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(Geometry*)new Ball(1)
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};
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for (Geometry *f : geometries) {
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cout << f->type() << ": volume = " << f->volume() << "\n";
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}
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return 0;
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} |