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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

edited by | 3.1k views
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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 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(){






*** * ** * * * rect;
** *** *** ** **** * * * **** * 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)
0 like 0 dislike
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)

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

}



int * * * *

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

}



int main (){


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

}
answered by (-581 points)
0 like 0 dislike
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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