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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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