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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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#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)
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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