0 like 0 dislike
925 views

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 | 925 views
0 0
Called for Help
0 0
Called for Help

27 Answers

0 like 0 dislike
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)
0 like 0 dislike
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)
0 like 0 dislike
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)
0 like 0 dislike
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)
0 like 0 dislike
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)
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.58.92
©2016-2024

Related questions

0 like 0 dislike
30 answers
[Exercise] Coding (C) - asked May 18, 2017 in C++
ID: 24769 - Available when: Unlimited - Due to: Unlimited
| 851 views
0 like 0 dislike
17 answers
[Exercise] Coding (C) - asked Jun 1, 2017 in C++
ID: 24855 - Available when: Unlimited - Due to: Unlimited
| 634 views
0 like 0 dislike
20 answers
[Exercise] Coding (C) - asked Apr 27, 2017 in C++
ID: 24393 - Available when: Unlimited - Due to: Unlimited
| 789 views
12,783 questions
183,443 answers
172,219 comments
4,824 users