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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)
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)
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)
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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