initial call to this will be rev(head);

On Sun, Jul 17, 2011 at 4:28 PM, Anika Jain <anika.jai...@gmail.com> wrote:

> node *listing::rev(node *p)
> {
>     if(p->next==NULL)
>     {
>         head=p;
>         return p;
>     }
>     else
>     {
>         node *t=rev(p->next);
>         t->next=p;
>         p->next=NULL;
>         tail=p;
>         return p;
>
>     }
> }
>
> On Sun, Jul 17, 2011 at 3:21 PM, Nishant Mittal <
> mittal.nishan...@gmail.com> wrote:
>
>> void rev_recursion(NODE **head)
>> {
>>     if(*head==NULL)
>>     return;
>>     NODE *first, *rest;
>>     first=*head;
>>     rest=first->next;
>>     if(!rest)
>>     return;
>>     rev_recursion(&rest);
>>     first->next->next=first;
>>     first->next=NULL;
>>     *head=rest;
>>
>> }
>>
>> On Sun, Jul 17, 2011 at 2:53 PM, vaibhav shukla 
>> <vaibhav200...@gmail.com>wrote:
>>
>>> struct node *reverse_recurse(struct node *start)
>>> {
>>>   if(start->next)
>>>   {
>>>       reverse_recurse(start->next);
>>>       start->next->next=start;
>>>       return(start);
>>>   }
>>>   else
>>>   {
>>>       head=start;
>>>   }
>>> }
>>>
>>>
>>> in main
>>>
>>> if(head)
>>>     {
>>>       temp = reverse_recurse(head);
>>>       temp->next =NULL;
>>>     }
>>>
>>> "head and temp are global"
>>>
>>>
>>>
>>>
>>> On Sun, Jul 17, 2011 at 2:42 PM, Navneet Gupta <navneetn...@gmail.com>wrote:
>>>
>>>> Hi,
>>>>
>>>> I was trying to accomplish this task with the following call , header
>>>> = ReverseList(header)
>>>>
>>>> I don't want to pass tail pointer or anything and just want that i get
>>>> a reversed list with new header properly assigned after this call. I
>>>> am getting issues in corner conditions like returning the correct node
>>>> to be assigned to header.
>>>>
>>>> Can anyone give an elegant solution with above requirement? Since it
>>>> is with recursion, please test for multiple scenarios (empty list, one
>>>> node list, twe nodes
>>>
>>>
>>>
>>>> list etc) before posting your solution. In case
>>>> of empty list, the procedure should report that.
>>>>
>>>> --
>>>> Regards,
>>>> Navneet
>>>>
>>>> --
>>>> You received this message because you are subscribed to the Google
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>>>>
>>>>
>>>
>>>
>>> --
>>>   best wishes!!
>>> Vaibhav Shukla
>>>     DU-MCA
>>>
>>>
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>>
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>
>

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