| # | Problem | Pass Rate (passed user / total user) |
|---|---|---|
| 14179 | EE2310_Lec12 |
|
Description
#include <iostream>
#include <string>
using namespace std;
class GeometricObject {
public:
GeometricObject();
GeometricObject(const string& color, bool filled);
string getColor() const;
void setColor(const string& color);
bool isFilled() const;
void setFilled(bool);
string toString() const;
private:
string color;
bool filled;
};
GeometricObject::GeometricObject() {
color = "white";
filled = false;
}
/*
* Implement GeometricObject's member functions.
*/
//-------------------------------------
// Use 3.14159 for the constant Pi
class Circle: public GeometricObject {
public:
/*
* Define Circle's member functions.
*/
private:
double radius;
};
/*
* Implement Circle's member functions.
*/
//-------------------------------------
class Rectangle: public GeometricObject {
public:
/*
* Define Rectangle's member functions.
*/
private:
double width;
double height;
};
/*
* Implement Rectangle's member functions.
*/
int main() {
GeometricObject shape;
shape.setColor("Red");
shape.setFilled(true);
cout << shape.toString() << endl << " color: " << shape.getColor() << endl
<< " filled: " << (shape.isFilled() ? "true" : "false") << endl;
Circle circle(5);
circle.setColor("black");
circle.setFilled(false);
cout << circle.toString() << endl << " color: " << circle.getColor() << endl
<< " filled: " << (circle.isFilled()? "true" : "false") << endl
<< " area: " << circle.getArea() << endl << " perimeter: " << circle.getPerimeter() << endl;
Rectangle rectangle(2, 3);
rectangle.setColor("orange");
rectangle.setFilled(true);
cout << rectangle.toString() << endl << " color: " << rectangle.getColor() << endl << " filled: "
<< (rectangle.isFilled() ? "true" : "false") << endl << " width: " << rectangle.getWidth()
<< ", height: " << rectangle.getHeight() << endl << " area: " << rectangle.getArea() << endl
<< " perimeter: " << rectangle.getPerimeter() << endl;
}
Input
Output
Geometric object
color: Red
filled: true
Circle object
color: black
filled: false
area: 78.5397
perimeter: 31.4159
Rectangle object
color: orange
filled: true
width: 2, height: 3
area: 6
perimeter: 10