0 like 0 dislike
5.1k 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 | 5.1k 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:172.70.100.89
©2016-2026

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
| 4.9k views
0 like 0 dislike
17 answers
[Exercise] Coding (C) - asked Jun 1, 2017 in C++
ID: 24855 - Available when: Unlimited - Due to: Unlimited
| 3.4k views
0 like 0 dislike
20 answers
[Exercise] Coding (C) - asked Apr 27, 2017 in C++
ID: 24393 - Available when: Unlimited - Due to: Unlimited
| 3.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users