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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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Hidden content!
#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)
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)
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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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