Misc simple C++ samples

task1.cpp

#include <iostream>
using namespace std;

class Rectangle {
  public:
     int width;
     int height;
     
     Rectangle(int width, int height) {
        this->width = width;
        this->height = height;
     }
     
     int area() {
       return this->width * this->height;
     }
};

int main() 
{
    auto rect = Rectangle(2, 3);
    cout << "Rect area: " << rect.area() << "\n";
    return 0;
}

task2.cpp

#include <iostream>
using namespace std;

class Rectangle {
  public:
     int width;
     int height;
     
     Rectangle(int width, int height) {
        this->width = width;
        this->height = height;
     }
     
     int area() {
       return this->width * this->height;
     }
};

int main() 
{
    auto rect1 = Rectangle(2, 3);
    auto rect2 = Rectangle(4, 5);
    cout << "Rect1 area: " << rect1.area() << "\n";
    cout << "Rect2 area: " << rect2.area() << "\n";
    return 0;
}

task3.cpp

#include <iostream>
using namespace std;

class Box {
  public:
     int length;
     int height;
     int breadth;
     
     Box(int length, int height, int breadth) {
        this->length = length;
        this->height = height;
        this->breadth = breadth;
     }
     
     int volume() {
       return this->length * this->height * this->breadth;
     }
};

int main() 
{
    auto b1 = Box(2, 3, 4);
    auto b2 = Box(2, 3, 5);
    cout << "Box1 volume: " << b1.volume() << "\n";
    cout << "Box2 volume: " << b2.volume() << "\n";
    return 0;
}