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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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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 (-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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Hidden content!
//

// ** * ***

// ***** *

//

// * ***** * 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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