0 like 0 dislike
975 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 | 975 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:172.70.127.158
©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
| 895 views
0 like 0 dislike
17 answers
[Exercise] Coding (C) - asked Jun 1, 2017 in C++
ID: 24855 - Available when: Unlimited - Due to: Unlimited
| 646 views
0 like 0 dislike
20 answers
[Exercise] Coding (C) - asked Apr 27, 2017 in C++
ID: 24393 - Available when: Unlimited - Due to: Unlimited
| 798 views
12,783 questions
183,443 answers
172,219 comments
4,824 users