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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)
0 like 0 dislike
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)
0 like 0 dislike
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)
0 like 0 dislike
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)
0 like 0 dislike
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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