Hollow Square

Hollow Square

In this post of shapes in c, you will find the code for constructing a hollow square in C++ using "*". 

Code:

Copy your code from below:

/*        Join us at


    http://shapesinc.blogspot.com 


      for more codes of shapes

*/






#include<iostream>

using namespace std;




int main()

{

 cout << "Join http://shapesinc.blogspot.com for more codes of shapes\n\n";

 cout<<"CAUTION:   The input should not be other than numerical values \n\n\a";
 

 int length=0;




 cout << "Enter the length of the hollow square\n";

 cin>>length;

 for(int i=0; i<length; i++)

 {

  for(int j=0; j<length; j++)

  {

   if(i==0 || i==length-1 || j==0 || j==length-1)

    cout << "*";

   else

    cout << " ";

  

  }

  cout<<endl;

 }

}

Output:

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Hollow rectangle

Hollow Rectangle:

In this post of shapes in c, you will find the code to draw hollow rectangle in C++ using "*".

Code:

Copy your code from below.

/*         Join us at 


 http://shapesinc.blogspot.com 


   for more codes of shapes */






#include<iostream>


using namespace std;






int main()


{


 cout << "Join http://shapesinc.blogspot.com for more codes of shapes\n\n";

 cout<<"CAUTION:   The input should not be other than numerical values \n\n\a";
 


 int length=0, width=0;






 cout << "Enter the length of the hollow rectangle\n";


 cin>>length;


 cout << "Enter the width of the hollow rectangle\n";


 cin>>width;


 for(int i=0; i<length; i++)


 {


  for(int j=0; j<width; j++)


  {


   if(i==0 || i==length-1 || j==0 || j==width-1)


    cout << "*";


   else


    cout << " ";


  


  }


  cout<<endl;


 }


}

Output:

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Moving Fan

Moving Fan:

In this post of shapes in c you will be able to construct the code for a moving fan in C++ using "*".

Code:

#include<iostream>

#include<Windows.h>

using namespace std;




void fan1(const int size);

void fan2(const int size);




int main()

{

 int size, time;




 cout<< "Enter the size of fan" << endl;

 cin>>size;




 cout<< "For how many seconds you want to switch on the fan" << endl;

 cin>>time;

 system("cls");

 for(int i=0 ; i<2*time ; i++)

 {

  fan1(size);

  Sleep(500);

  system("cls");

  fan2(size);

  Sleep(500);

  system("cls");

 }

 return 0;

}




void fan1 (const int size)

{

 for(int i=0 ; i<=size ; i++)

 {

  for(int j=0 ; j<=i ; j++)

  {

   if(i!=size)

   {

    if(j==0 || j==i)

     cout<< "* ";

    else

     cout<<"  ";

   }

   else if (i==size )

     cout<< "* ";

  

   

  }

  for(int spaces=i ; spaces<size ; spaces++)

    cout<<"  ";




  for(int j=i ; j<=size ; j++)

  {

   if(i==0)

    cout<< "* ";

   else 

    if(j==i || j==size)

     cout<<"* ";

    else

     cout<<"  ";

  }




  cout<<endl;

 }




 for(int m=0 ; m<=size ; m++)

 {

  for(int spaces1=m ; spaces1<size ; spaces1++)

    cout<<"  ";




  for(int n=0; n<=m ; n++)

  {

   if(m==size)

    cout<<"* ";

   else 

    if(n==0 || n==m)

     cout<<"* ";

    else 

     cout<<"  ";

  }




  for(int spaces1=0 ; spaces1<m ; spaces1++)

    cout<<"  ";




  for(int n=m; n<=size; n++)

  {

   if(m==0)

    cout<<"* ";

   else

    if(n==m || n==size)

     cout<<"* ";

    else 

     cout<<"  ";

  }




  

 cout<<endl; 

 }

 

}




void fan2 (const int size)

{

 for(int i=0 ; i<=size ; i++)

 {

  for(int j=0 ; j<i ; j++)

   cout<<"  ";

   

  for(int spaces=i ; spaces<=size ; spaces++)

  {

   if(i==0)

    cout<<"* ";

   else

    if(spaces==i || spaces==size)

     cout<<"* ";

    else 

     cout<<"  ";

  }

  for(int j=i ; j<size ; j++)

   cout<<"  ";




  for(int j=0; j<=i ; j++)

  {

   if(i==size)

    cout<<"* ";

   else 

    if(j==0 || j==i)

     cout<<"* ";

    else 

     cout<<"  ";

  }

  cout<<endl;

 }




 for(int m=0 ; m<=size ; m++)

 {

  for(int spaces1=m ; spaces1<=size ; spaces1++)

  {

   if (m==0)

    cout<<"* ";

   else

    if(spaces1==m || spaces1==size)

     cout<<"* ";

    else

     cout<<"  ";

  }

  for(int n=0; n<m ; n++)

  cout<<"  ";




  for(int spaces1=0 ; spaces1<=m ; spaces1++)

  {

   if(m==0 || m==size)

    cout<<"* ";

   else

    if(spaces1==0 || spaces1==m)

     cout<<"* ";

    else 

     cout<<"  ";

  }







  

 cout<<endl; 

 }

 

}

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