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Write class shape with width and height following a constructor that gives value to them.
Then define two sub-classes triangle and rectangle.
Those sub-classes can calculate the area of the shape area().
You need to follow the main() below. Please complete the program.

int main (){

    Rectangle rect;
    Triangle tri;
    rect.set_data (5,3);
    tri.set_data (2,5);
    cout << rect.area() << ";" << tri.area() << endl;
    return 0;
}

 

[Exercise] Coding (C) - asked in C++
ID: 24389 - Available when: Unlimited - Due to: Unlimited

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#include * ** **



using namespace std;



class shape  {
*** * **** * ** * ** *
** ** * * * * * * * ** ** * ** set_data(int x, int y)
* * ** * ** * * **** ** ** * *
** * ********* ** * ** * ** * ****** * * ********* * ***** ** = x;
* * ** * * ** *** * ** * ********** ******* * **** *** *** ** = y;
* * ** * * * ** * ** * **


* * * ** **** * *
* * * **** * ****** * * * ***** width;
**** * * ******* * ** * * ***** * *** height;

};



class Rectangle: public shape {
* * *** * ** * * **
** ** * * **** ** ***** ** * area() {
* * * *** ** **** * * *** *** * * ** ** * * * *** (width * height);
* *** * * * *** * ** ** ** * ******* *

};



class Triangle: public shape {
** ********* ****** * ** *
*** ** ** * * * * * * ***** * area() {
* ** * ** * **** *** * ***** * ***** * ** * * ** * (width * height / 2);
** * *** *** **** ** ** * **** ** *

};



int main(void) {
* * *** ** ******** *** * rect;
** * * *** * ** * tri;


* * * * * ** ** ** ** * 3);
**** * **** * ** 5);


* *** ** ** * ***** * ** * rect.area() ** * * ** * *** * * ** ** * ** ***** tri.area() ** *** endl;


** **** * *** * * ** 0;

}
answered by (126 points)
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#include **** ** * * *



using * * std;



class Shape

{
** ****
* **** * * ** **** **** width, height;

public:
**** *** *** ***** * set_data (float a, float b)
*** **** * * * ** **
* ** *** * * * * * ********** **** * * * ** * ** = a;
* * * ** *** ** ***** * ***** **** * * * * = b;
* *** ** **** ***

};



class ** * public Shape

{

public:
** ** * ***** * * ** * * ** area ()
** ** ** * * ** **
* ** * * ** * * * *** *** ** ** * *********** * (width * height);
*** * * ** ** * * *

};



class ****** public Shape

{
***
******** * * * * **** **** * area ()
* ****** * * ** **
* * * * * ** * * * * * ****** * * * ** * ** * (width * height / 2);
** *** * ** **** * * ****

};



int main (){
**** *** * * ** * * **
*** ** * ***** * * * * * * rect;
* ** * ** ** * * ** * * *** tri;
* * * * * * ***** ** **** * (5,3);
** ** **** *** * ** *** (2,5);
** ** * * *** * ** * ** *** * * * ** * * *** * * * * ** * ** **** * * * ** endl;
* * * * * *** 0;

}
answered by (-215 points)
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Hidden content!
#include ** ** * * *



using * * ** std;



class Shape

{
***
* * * *** * * *** ** * width, height;

public:
**** * * **** * * set_data (float a, float b)
* * ** * ** ** ** *
***** * *** * * * ** *** * **** **** ***** ****** *** = a;
* * ** * * ** **** * * ** * * **** ** * * = b;
* * ** **** *** ** * *

};



class * *** public Shape

{

public:
* *** *** * ** ** ** * area ()
** ** * * **** * * * *
* * * **** * * ** * ** ***** * ** * ** * * **** (width * height);
** ** ** * *

};



class * public Shape

{
* *
* * **** * * *** **** area ()
* * *** ***** * ** * **
** * ** *** * ** ** *** ** * * * * * *** * ** (width * height / 2);
*** ** *** ** **** * ** *

};



int main (){
* ** * * ** *
* * * *** * * ** ** * * **** rect;
* * **** * *** * *** ** tri;
* ** * * **** * * **** * * (5,3);
***** * * * ** * *** * ****** ** (2,5);
*** *** * * * ** * * ** * * * * ** * *** ** * ** * * * * ** ** ** * * **** **** * ** endl;
** * ****** **** ** * * ** 0;

}
answered by (-298 points)
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Hidden content!
#include * * **** *



using * * *** std;



class Shape

{
** *
** ** ** * * ****** **** width, height;

public:
** * **** *** * * * ** * set_data (float a, float b)
** *** ** * ** *
* *** * * ** * *** * ** * * * *** * ** = a;
** * * ** * **** ** * ** *** ** *** * = b;
* * ** ** * ** * * *** ***

};



class ** public Shape

{

public:
* * ** * ** ** * **** area ()
* * ** *** * * *** ** *
* ** * * * ** * * ** *** * *** *** *** * * * (width * height);
* *** * * * ** *

};



class *** public Shape

{
* *
* * ** * ***** ** * ** * area ()
* ** ** *** * *****
* * *** * * ***** ** * * *** * * **** ** * * (width * height / 2);
* **** ** *** * *

};



int main (){
* * * ** * * ****
* *** * * * *** * * ** rect;
** ** * * * * ** * ** **** tri;
** *** * * ** ***** ****** ** (5,3);
* * ***** * ** *** * (2,5);
**** * *** * ****** * ** *** * * * ** * * ** ** **** * * *** * * * *** * ** ******* endl;
** * *** *** * * ** *** ** * 0;

}
answered by (237 points)
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Hidden content!
*** ***** * **

using ****** std;



class ***
* * ** * ** **** * *
** * ** * * * * ** * width;
* *** ** * * ** * height;
*** ****** * *** * *** ** ** * ** **** ** height);
*** * * * * * * area();

};



class *
**** * *** * * **** *
** ** *** ** * * * * width;
* ** ***** *** *** *** * height;
** ** ***** ** * * *** * *** * ** height);
**** * * * **** *** area();

};



void ** * :: *** * *** swidth ,float **
** * ** ** * ** * * ** = swidth;
** * **** ** **** * * ** * * ** = * **

}



float * * :: area(){
** **** ** ******** ***** ** * ** * ** * ** *** * * (width * *

}



void * :: * * * ** swidth ,float ** ** *
* ** **** **** *** ** * ** = swidth;
**** * * * ** ********* * = * *** *

}



float Triangle :: area(){
* ** * ** * * **** * ** *** * * * * * * ((width * ****

}



int main (){
** * ********* ** * ** *** ** rect;
* ******* *** * * * tri;
** **** * ** * ** * * ** (5,3);
** * * **** **** * ** ** * * * ** (2,5);
* ***** ** ** * ** * * * * **** * ** * ** * *** * ** * * *** ** * * * ** * **** * * endl;
*** * ** ** * ** ** 0;

}
answered by (-136 points)
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Hidden content!
***** ***** *** *

using * * std;



class * ** *
** * *** **** * ** * *
* * * * **** * ***** * **** width;
** * *** * *** ** * * height;
* **** * * **** ** ** * *** * ** height);
*** * **** * * ** * *** ** area();

};



class * *
* * ** ***** * * **
*** ****** ** *** * width;
** * * ** ***** **** height;
* * ****** * * *** * * ** * *** * *
* ** ** * * ** * area();

};



void * :: * * swidth ,float * *
* ******** ** * **** = swidth;
* ** ** **** ** *** ** * ** = sheight;

}



float ***** :: area(){
*** * * ** * ** * * ** * * * * * * (width * ** *

}



void *** *** :: * ** * swidth ,float *
***** * * ***** * * **** = swidth;
**** *** ** ** = sheight;

}



float Triangle :: area(){
* * *** * * ***** * ***** * * * *** * **



int main (){
* * ***** **** * * ** **** ** * rect;
** *** ** * ** ** ** *** tri;
*** **** * ** * * * * ** (5,3);
* * * * ** * **** *** ** (2,5);
*** * *** * ** ** * * * * *** ** * * *** * *** * *** * * *** * * * * * endl;
* * * ********* * 0;

}
answered by (-136 points)
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Hidden content!
* ** ** * * ***
* *** * * *



using namespace std;



class Rectangle{

public:
** * * * * * * * * ** * ** set_data(int H, int W){
* ** ** * ** * ** ** ****** ****** **** = W;
* ***** * * * * ** * ** ** * *** ******* * * ** ** = H;
*** * * *** * * ** * *
** **** ** ** * **** *** area(){
* * * * ** ** * **** ***** ******** * ** * * * ***
*** ** * * * ***



private:
**** * *** * * * * * ** r_width;
* *** ** * * * * * ** r_height;



};



class Triangle{

public:
* ** ** ** * * * ** * ** set_data(int H, int W){
* ** ** ** * * **** * * ** * *** ***** ** **** = W;
* * * *** * * * * ** * *** * ** * * * * *** ** = H;
*** * * * *** ** * * *
** ** * **** * ** * area(){
* *** **** * **** * ** * *** ** ** ******** **** **** * ***** ** **
* **** ** * * ** ** *

private:
* ** ** * * *** * * * t_width;
* ***** *************** * t_height;

};



int main()

{
* ***** *** ** ** ** * * **** rect;
** * ** *** * * * ** * tri;
* *** * ** * ** ** **** (5,3);
* *** * * *** * *** * * * * (2,5);
* * * * ** ** ** ** *** * ** rect.area() **** * * * * * * *** << tri.area() << endl;
* ***** * ** * *** * * * 0;

}
answered by (-368 points)
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Hidden content!
* * ** * ** **



using * ** std;



class ** ** {
* ** *** *** * ** * * width, **
* ****
* **** * * ** * **** ** ** ** * * * *
* ** ***** ** *** * *** area() * * *** **

};



void **** *** ** (int x, int y) {
* *** ** **** = x;
* * * ** * = y;

}



class ** * {
* *** * * * *** * ** * base, **
* ** *** * ** *
* * * * ** * * ** * * * **** **
* * * * * * ** ** ** * area() {return **** ***

};



void *** ***** * (int x, int y) {
* * ** ** * = x;
**** * * * * * ** = y;

}



int main (){


** **** * ** * **** *** ** rect;
** * ** * * ** ** * * * tri;
** * * **** * * **** ** ** * ** * * * (5,3);
** *** * * * * * ** * * (2,5);
** * *** * * * * * * * ** ** * * * * * ** **** ***** *** * *** ** * * ***** ***** endl;
* *** *** ** **** ******* * 0;

}
answered by (-218 points)
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//

// * * * ***

// ****** *

//

// * * * by **** on *

// *** ** *** © 2017年 ** All rights *****

//


** * * * ****** **
** *** * *

#include * ** **** ****

using * std;



class shape {

public:
* * ***** ** * * * * ** ** * * width, double height){
*** ** *** *** ** * ** * * * **** *** * * = width;
** * ** * * *** ****** *** ** *** ** * * * ** = height;
** ** * ******* * *** *



public:
* *** ** ** *** * *** * * w;
* ** * *** * * * * * h;

};



class * public shape{

public:
****** * ** ** ** *** ** area(){
** * * *** ** * ** ** * * * ** * **** ****** ********** ****** *
** *** ****** ** * *

};



class *** ** public shape{

public:
* *** * * * ** ** * * ** ** area(){
** * **** ** ***** * * * ** * *** ** * * * * * * * * *
**** ** ** *** ** *** *

};



int main (){
* * * * * * * *** * *
*** * ** ** * **** **** ** rect;
* ** ** * * ** ** ** ** * tri;
**** * *** *** * **** * * * (5,3);
**** * *** * *** *** * **** * (2,5);
***** * * *** *** ** *** *** **** ** * * *** * * **** * * * * *** * **** * * *** endl;
** *** ***** * * * ** ** 0;

}
answered by (-368 points)
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Hidden content!
** * ***** * * ** *

using *** std;



class *****

{

public:
** * ******* * * *** * *** a,int b);
* *** ** ** ******* ** area();
** * * * ** ** * ** a_,b_;

};



void * ** ** * * a,int b)

{
* * *** ** *** ** **
* * * * ** * * *** *

}



int ** ** **

{
* **** *** *** ***** * *** *

}





class * *

{

** ** * *** * * ** * *** * ***** a,int b);
* * *** ** ** **** * area();
* * * ***** *** * * * a_,b_;

};



void ** * * ** * a,int b)

{
* *** ******* * * * * * ******* *
**** * * **** ***

}



int ** **

{
* ** **** **** ** * ***** a_*b_;

}



int main ()

{
* * *** * * ** * * * ** rect;
* ** * * **** * * * * ** tri;
***** *** * ** * ** * * (5,3);
* ** ** * ********* ** (2,5);
**** * * * * ** * * * *** ** * * * ** * * * * * * * **** * ** * ** **** endl;
* * ** **** * ** * * 0;

}
answered by (-324 points)
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