Bubble Sort.

Posted on 2003-02-28
Medium Priority
Last Modified: 2013-11-20
   I have  a linked list and I would like to know how we make a bubble sort.

Please help
Question by:NeoMind
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Accepted Solution

zfact earned 200 total points
ID: 8041249
Hi NeoMind,
Check the link below, this will give you full info.. about the sort. This link is good. check it out.


All The Best,
LVL 19

Expert Comment

ID: 8041318
I wrote this class CSort to make any collection class sortable:

class CSort
     CSort() {}
   void      BubbleSort( int nElem );

   virtual BOOL      Is1LowerThan2( int n1, int n2 ) = 0;
   virtual void      Exchange( int i, int j ) = 0;

void CSort::BubbleSort( int nN )
   for (int nI=0; nI<nN-1; nI++)
      BOOL bOneAtLeast = FALSE;
      for (int nK=0; nK<nN-1-nI; nK++)
         if ( Is1LowerThan2( nK+1, nK ))
            Exchange( nK, nK+1 );
            bOneAtLeast = TRUE;
      if( !bOneAtLeast )

You must derive your List class from CSort and then call BubbleSort();

This is an example of a sortable array:

class CSortWordArray :     public CWordArray,
                                        public CSort
   virtual BOOL      Is1LowerThan2( int n1, int n2 )               { return GetAt( n1 ) < GetAt( n2 ); }
   virtual void      Exchange( int i, int j )     { WORD w = GetAt(i); SetAt( i, GetAt(j) ); SetAt( j, w ); }

CSortWordArray array;
array.Add( 10 );
array.Add( 2 );
array.Add( 3 );
array.BubbleSort( array.GetSize() );


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