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how to reverse a singly linked list recursively?

how to reverse a singly linked list recursively?

how to reverse a singly linked list recursively?

(OP)
How do I reverse a single linked list recursively?
reagrds,
Sudha

Visit www.ssudhakar.com to know more about me

RE: how to reverse a singly linked list recursively?

What I would do is
- Have a function that would count the number of Nodes in the list.
- Have this number in the recursive function
- Have a loop that would move a temporary pointer to the last one in the list

// function call

reversingList(number,primaryPointer,newPointer,counter,0);

// function definition

void reversingList(int number,Node *primaryPointer,Node *newPointer,int counter);
{
    static Node *temp = primaryPointer;
    static Node array[number];

    if ( number == 0 )
    {
         while ((*temp).GetNextNodePtr() != NULL )
         {
             (*temp) = array[counter];
             temp = (*temp).GetNextNodePtr();
         }

// Assigning to a new list
         while ( counter != 0 )
         {
             temp = new Node(array[counter]);
             newPointer = temp;
             newPointer = (*newPointer).GetNextNodePtr();
             counter --;
         }
         (*newPointer).SetNextNodePtr(NULL); // assign last ptr to NULL
    }
         
    if ( number != 0 )
    {
       counter++;
       reversing(number-1,primaryPointer,counter);
    }
}

Best Regards,

aphrodita@mail.krovatka.ru     {uiuc rules}
http://www.hellforge.org

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