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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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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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