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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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