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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)
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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//

// * * * ** *

// * ****

//

// * * * * 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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