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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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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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//

// ** ** **

// ** ***** *

//

// * * **** 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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