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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)
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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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//

// * *** ******

// * *

//

// ** * ** 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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