I think the easiest method to do this problem is this: http://k2code.blogspot.in/2011/09/deleting-node-in-singly-linked-list-if.html
On Thu, May 31, 2012 at 5:58 PM, Ashish Goel <[email protected]> wrote: > that is what i have done by using recursion<=>stack. > > my code has problem, after free(pCurr);, i should have return pRest; > > Best Regards > Ashish Goel > "Think positive and find fuel in failure" > +919985813081 > +919966006652 > > > On Thu, May 31, 2012 at 4:37 PM, atul anand <[email protected]>wrote: > >> then i guess ...it can be done using stack..with O(n) complexity.. >> it is similar to finding next greater element .... >> >> http://www.geeksforgeeks.org/archives/8405 >> >> element in the stack at the end of the algo...are the element which will >> remain in the linked list . if stack is not empty then keep poping elements >> and create a SLL. >> >> >> On Thu, May 31, 2012 at 4:29 PM, Ashish Goel <[email protected]> wrote: >> >>> yes >>> >>> Best Regards >>> Ashish Goel >>> "Think positive and find fuel in failure" >>> +919985813081 >>> +919966006652 >>> >>> >>> On Thu, May 31, 2012 at 2:34 PM, atul anand <[email protected]>wrote: >>> >>>> @Ashish : please clarify this ques... >>>> >>>> delete a node in SLL if it is less than *any* of the succesor node .. >>>> >>>> 1 2 8 10 3 4 7 12 >>>> >>>> delete 1,2,8,10,3,4,7 >>>> >>>> ouput will be single node i.e 12 >>>> >>>> dats what question asks? >>>> >>>> On Thu, May 31, 2012 at 2:16 PM, Ashish Goel <[email protected]> wrote: >>>> >>>>> the LL is unsorted, is there any better solution that this? >>>>> >>>>> struct node* deleteNodes(struct node *pHead, struct node *pPrev) >>>>> { >>>>> struct node *pLL = *pHead; >>>>> if (!pLL) return NULL; >>>>> struct node *pCurr = pLL; >>>>> >>>>> struct node *pRest = deleteNodes(pCurr->next, pCurr); >>>>> if (!pRest) return pCurr; >>>>> if (pCurr->data <pRest->data) >>>>> { >>>>> if (pPrev) { pPrev->next = pRest; }; >>>>> free(pCurr); >>>>> } >>>>> else >>>>> { >>>>> pCurr->next = pRest; >>>>> } >>>>> return pCurr; >>>>> } >>>>> >>>>> >>>>> Best Regards >>>>> Ashish Goel >>>>> "Think positive and find fuel in failure" >>>>> +919985813081 >>>>> +919966006652 >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "Algorithm Geeks" group. >>>>> To post to this group, send email to [email protected]. >>>>> To unsubscribe from this group, send email to >>>>> [email protected]. >>>>> For more options, visit this group at >>>>> http://groups.google.com/group/algogeeks?hl=en. >>>>> >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Algorithm Geeks" group. >>>> To post to this group, send email to [email protected]. >>>> To unsubscribe from this group, send email to >>>> [email protected]. >>>> For more options, visit this group at >>>> http://groups.google.com/group/algogeeks?hl=en. >>>> >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Algorithm Geeks" group. >>> To post to this group, send email to [email protected]. >>> To unsubscribe from this group, send email to >>> [email protected]. >>> For more options, visit this group at >>> http://groups.google.com/group/algogeeks?hl=en. >>> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Algorithm Geeks" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]. >> For more options, visit this group at >> http://groups.google.com/group/algogeeks?hl=en. >> > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
