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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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