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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)
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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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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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