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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)
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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)
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)
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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)
0 like 0 dislike
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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