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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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