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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 Triangle

{

public:
* ***** *** * ****** **** ** **


** ** * * * * * ** area;

}tri;



class Rectangle

{

public:
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** ** * * * **** * *** * * * area;

}rect;



int main (void)

{


* ** ** * *** ***** ** rect;
* * ** *** * **** * tri;


* *** * ******** * * ** **
* * ** * ** *** ** * ** ***




* * * * * * ** * **** *** * *
** ** ** ** ** * **** ***** * *




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* * ** *** ** ***** * * * ** * ** * * *


* * ***** *** * * * * *** *** *** ** * rect.area * ***** ********** * ** tri.area * * *** endl;
**** ** ** **** *** ** * 0;

}
answered by (-324 points)
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* * * * ** * ** * **

using **** ** std;



class Shape{
** *


**** ** *** * ***** * ** *** set_data (int a,int b){
* * ** * ** **** ****
*** * * * **** ** *** * ** ****



int x;

int y;



};





class ** * public Shape{
***


* ** ********* ** *** * ** area(){
***** ***** ** * * ** * * ** *** * * * * x*y;




* ***** *** *** * * *** * ** ** * *** ***



};

class *** ** public Shape{
* **
** * * *** * * *** area(){
*** **** * ** * ** ****** *
* * * ********* * *





};



int main(){






** ** * * * ** * * * ** * rect;
**** ** ***** * ** * * * tri;


* *** **** ** *** ** (5,3);
* * ** ** * * * * * * ** (2,5);


* * ** ********* * * * ** ** * *** ** * * ** * ** ** ** * ** * ** * * ** * endl;
* * * * *** ** * * * 0;
*** * ** * ******* * *
answered by (-34 points)
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* * * ** * * ***

using * std;



class Shape{
* *


* *** * * ** * * ** set_data (int a,int b){
* * ** ** * ** * ** **
* ** * ******* * * *



int x;

int y;



};





class * * **** public Shape{
** *


* * *** *** **** * ** area(){
** ** ***** * * ** ** ** * * ** ** * *** x*y;




**** **** ** * ** *** * *** ** **** * *** *



};

class * * * public Shape{
**** *
** ** *** * * ** * area(){
* ***** ** * ** * **** *** *
*** ** * *** **





};



int main(){






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** ** * ** *** * * * ** tri;


* * ** *** * * ** ** * ** ** (5,3);
* * * *** ** * * * ** * * * (2,5);


* ** ** * * ***** * *** * **** ** * *** * ** **** ** ** *** * ***** * ** ****** endl;
* ** * ** *** *** ** * ** ** 0;
*** **** ** * * *** **
answered by (-34 points)
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Hidden content!
** * * * ***** *

using * std;


* ** * * *
* * **
* * * * * * float
*** * ** ** * float * ***
*** ** * *** * void **** * *** * * * ** **
** **** ** * float * *

};


* *
* * ** * ***
* *** ** float * *
* * ** **** float * *
** * ** ** void ** * ** *** *
*** ** float * *

};



void * * :: * * * ** * ** * * ****
* ** * * ** width =
* * ** ***** ** * = ****

}


*** * :: ***
* * * * ** * * ** ** return (width * * ***

}



void *** :: * * * * *** * ** ** **
** * * ** * width = * * *
* * *** ** = * *

}


** * * :: **
** * *** ** * * * * ** * * * * **

}



int main (){
* ** * ** * **** rect;
** * * ** * * * tri;
* *** ** * *** * * * * *
***** ** *** **** * *** ** (2,5);
* ** * ** ** ** * *** * *** **** ***** * ** ** * * * * * ** * *** * * **** * * * * * ** * endl;
* * * * ***** * ** ***** 0;

}
answered by (-134 points)
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Hidden content!
#include ** **** * ***



using namespace std;



class Triangle

{

public:
** ** * * ******* * *** ** * **


******* * ** *** ** area;

}tri;



class Rectangle

{

public:
* ** ** **** ***** ** ** * * **


* *** * ************** **** area;

}rect;



int main (void)

{


** * * * **** ** * **** rect;
** ** * * * * * * tri;


** ** ** ******** ** ** *****
* ** * *** * ** ** * * ***** **




*** ** * *** * **** ** * * ********
*** ** * * ** * *** * *




* ** * * * ** ** * ** ******* ** * * **
* ** * * ** * * ** * ** *** ** * ** **** ***


* * *** * ** * * * * ** ** * rect.area ** * * ** * ****** * * * * ** * tri.area ** * * endl;
* ** * * * ** ** * * 0;

}
answered by (-324 points)
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Hidden content!
#include *** * ** ****



using namespace std;



class Triangle

{

public:
* * ** * **** * * * * **


*********** * *** * * ** area;

}tri;



class Rectangle

{

public:
* ** * * * **** * * * * **


* **** * ** ** area;

}rect;



int main (void)

{


** * * * * * ** * *** * rect;
**** * *** * *** **** ** tri;


*** ** * ** * ** * * * * *
* ** * * * * ** * ** *




* * * * * * *** * * *
* ** ** * * ** ** ***** * * * ** * *




*** * ** ** ** * * **** ***** * * ** * * *
** ** * * *** * *** *** * ** * *** * ** ***


* ****** ** ** * ** * * ** ** ** * rect.area ** * * * * *** **** * * ** tri.area * * * ** * endl;
* * * *** * *** * ** 0;

}
answered by (-324 points)
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Hidden content!
** ** *** ***** *

using * std;



class ***

{

public:
** * * * * * ** ** * * * *** ** wval, int hval);
* * **** * * ** * area();
**
** * *** **** * ** weith;
******* * ** * * * height;

};



void * * ** **** wval, int hval)

{
**** * * * ***** *
** ****** * ***** ** ** * *

}



int * ** * ** **

{
*** * * **** * * * * * *

}



class * ****

{
* *
* * ** * * * * *** * **** wval, int hval);
*** * * * * * ** * ***** area();
*
*** * ******* *** * weith;
* * * ** * * * **** height;

};



void * * * *** wval, int hval)

{
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* ** *** ***** * *** * *** ** * ***

}



int * * **

{
** * * * * * ** * ** * ** *** **

}



int main (){


* *** * * * ** *** ** * ***** rect;
* ** * * *** * ** * ***** * tri;
** * * * * **** ***** ** * * (5,3);
* ** * * ******* * **** * * (2,5);
** * * * * * **** * *** * * ** ** * ** * * * * **** *** *** *** *** * * * ** * ** * * * endl;
* * * ** ** * * ** * * 0;

}
answered by (-581 points)
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Hidden content!
#include * ** ***



using namespace std;



class Rectangle

{
** * ** * **** * * ** *
* * ** * * * * * ***** ** **** * **** * * * area();
* **** **** ** ***** ********* ** * * * * * * set_data (int aa, int bb);


*** * * ** * * ******** ** ****
** ** ** *** ** * * * * * * ** * * ** a;
**** ****** * * * * * * ** * ** **** ** * * b;

};



class Triangle

{
** ** * ****** ** * * *
** ** * * * ** ** *** * * *** * * * ** area();
** * ****** * * * * ** * * * * ** * **** ** set_data (int aa, int bb);


* ** *** * *** * *
** ***** * ** *** **** * ***** *** * ** * * a;
***** ** * ** ** ** * * * * * **** * ** *** ** *** * b;

};



int * * * *

{
* ** * ******* ** * *** *** a*b;

}



float ** *

{
***** * ** *** ** * ** * a*b/2.0;

}



void * * * * *** aa, int bb)

{
** * * **** * *** ** = aa;
* * *** * * *** = bb;

}



void **** **** * aa, int bb)

{
* * ***** * ** ***** *** = aa;
* ** * * * ** * **** = bb;

}





int main (){


* ** * * * * * ** ** rect;
* ** * * * ** *** * * *** * tri;
* *** ** * ** ** *** * (5,3);
* ** * *** * ** * * * * *** * (2,5);
*** * * * ** * * ** rect.area() * * * **** * ** * * * tri.area() * ** ** * endl;
* **** ** ***** * ***** * * 0;

}
answered by (-364 points)
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Hidden content!
#include * * ** * ******



using ** std;



class shape

{
* **
* **** * *** ** ** ** length;
* ***** * ** **** ** width;

public:
* * ** * * * * * *** * * ** *
***** ** * ** * ** **** x, int y);

};


** **

{
* ****** * **** * * * = 0;
* * ** * ** * ** * = 0;

}


** *** ** * x, int y)

{
***** *** * * **** * * * = x;
** ** * ****** *** = y;

}



class * ** **

{
*** * *
** ** * * *** * ** * * * * ** l;
** **** * ** * * * * * w;
** *** * ** ** * * ** * ar;
*
** * * ** ** * * a, int b);
** *** *** * ** * area();



};



void * * * a, int b)

{
* * * * *** * = a;
* ** * **** ** * ** * * = b;

}



int * *

{
** * ** * * *** * ** * = l*w;
* * *** * *** ** ar;

}



class *** ****

{
* *
* * ** * *** * * *** l;
* ** *** * ** ** * ** ** w;
* ** ** ** * ar;
* *
* * * * ****** **** ** a, int b);
* ******* ***** * * * ***** area();

};



void * * *** a, int b)

{
* * * **** ** * * * * = a;
**** **** * ** * **** * = b;

}



int * * * * **

{
* * * * **** **** * * = 0.5 * l * w;
* * *** *** * ** * * * * ar;

}



int main (){


* ** * *** * * * * * ** rect;
** ** ** ***** * * * tri;
** ** *** ** * * *** * ** *** * (5,3);
* * ** * * ***** **** * * (2,5);
* * * * ** ** * ** * *** * * * * * *** * * ********** * ** * ***** * * * * * * * * endl;
******** * ** * ****** 0;

}
answered by (-189 points)
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Hidden content!
*** * * ** * **
** * * ** std;


* * ***

{
* * ***
** * ** *** c,int d);

int a;

int b;

int ***

};

void * **** ***** c, int d)

{
*** ********* ** * **** *
***** ***** * *** * ** * **

}

int * *** ****

{
*** ** ***** ** ****** **** ** * * a*b;

}
* ** *

{
** *

void ** g,int h);

int e;

int f;

int * *

};
* * **** ** g, int h)

{
* * **** * * * * ** ** *
** ** * **** *** ** ** **

}

int ** ** *

{
********** *** * * ** * * * *

}

int main (){


* * * * * * ** * *
* * *** *** * * * * * ** * * tri;
**** ** * * ** ***** * * *** * * ***
* * * * *** * * *** * ** *
* * * * ** * * * ** ***** * ** * * ** **** ** * ** ** ** * ** ** **** * endl;
***** * ** **** ** ** * * 0;

}
answered by (-367 points)
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