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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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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)
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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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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