0 like 0 dislike
1.2k 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 | 1.2k 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:172.70.134.215
©2016-2023

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
| 1.1k views
0 like 0 dislike
20 answers
[Exercise] Coding (C) - asked Apr 27, 2017 in C++
ID: 24393 - Available when: Unlimited - Due to: Unlimited
| 932 views
0 like 0 dislike
17 answers
[Exercise] Coding (C) - asked Jun 1, 2017 in C++
ID: 24855 - Available when: Unlimited - Due to: Unlimited
| 849 views
14,692 questions
236,721 answers
212,938 comments
5,696 users