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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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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 (-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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