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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)
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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)
0 like 0 dislike
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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