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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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