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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++
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)
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)
0 like 0 dislike
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)
0 like 0 dislike
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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