Step 1: first make a diff[][] Step 2: search the diff in matrix Complexity will be O(n^2)
On Sun, Jul 10, 2011 at 6:24 AM, JAIDEV YADAV <[email protected]> wrote: > try Matrix search... > > > On Sun, Jul 10, 2011 at 7:34 PM, Yogesh Yadav <[email protected]> wrote: > >> yeah then it will be possible in O(n^2) >> >> >> On Sun, Jul 10, 2011 at 5:57 AM, Yogesh Yadav <[email protected]> wrote: >> >>> @sunny : thanks ..i got it... >>> >>> >>> On Sun, Jul 10, 2011 at 5:55 AM, sunny agrawal >>> <[email protected]>wrote: >>> >>>> Longest AP for that Example is of 7 elements........ >>>> 2,4,6,8,10,12,14 >>>> now see your mistake ....... >>>> as i have already told you that u r looking for only contiguous AP's and >>>> that won't work >>>> >>>> >>>> On Sun, Jul 10, 2011 at 7:18 PM, Yogesh Yadav <[email protected]>wrote: >>>> >>>>> @sunny: my algo will give 6 as answer ....and i guess its right... if >>>>> am wrong plz explain where and why my logic is wrong >>>>> >>>>> On Sun, Jul 10, 2011 at 5:37 AM, sunny agrawal < >>>>> [email protected]> wrote: >>>>> >>>>>> @Yogesh >>>>>> your solution will give maximum Contiguous AP only >>>>>> it will fail for the array A[] = {1,2,3,4,5,6,8,10,12,14} >>>>>> your algo will give output that there is an Longest AP of 6 elements >>>>>> which is wrong >>>>>> >>>>>> checkout this <http://theory.cs.uiuc.edu/%7Ejeffe/pubs/pdf/arith.pdf>for >>>>>> an O(n^2) algorithm >>>>>> >>>>>> >>>>>> On Sun, Jul 10, 2011 at 7:01 PM, Yogesh Yadav <[email protected]>wrote: >>>>>> >>>>>>> @raj : >>>>>>> >>>>>>> array a[]= 2,3,5,6,7,8,10,12 >>>>>>> diff[]= 1,2,1,1,1,2,2 >>>>>>> >>>>>>> maxcount=tempcount=1 // because am not takin in consideration of >>>>>>> 0th index value of diff[] >>>>>>> >>>>>>> now in for loop >>>>>>> for j=1 >>>>>>> check diff[j]==diff[j-1] //not equal >>>>>>> so check tempcount>maxcount or not //its also not >>>>>>> so maxcount remains same and tempcount becomes 1 again >>>>>>> >>>>>>> now for j=2 >>>>>>> >>>>>>> check diff[j]==diff[j-1] //not equal >>>>>>> so check tempcount>maxcount or not //its also not >>>>>>> so maxcount remains same and tempcount becomes 1 again >>>>>>> >>>>>>> now for j=3 >>>>>>> >>>>>>> check diff[j]==diff[j-1] // equal >>>>>>> so tempcount++; >>>>>>> >>>>>>> and so on.... >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> On Sun, Jul 10, 2011 at 5:23 AM, raj singh >>>>>>> <[email protected]>wrote: >>>>>>> >>>>>>>> @yogesh- can u explain with an example pls? >>>>>>>> >>>>>>>> -- >>>>>>>> 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. >>>>>>> >>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> Sunny Aggrawal >>>>>> B-Tech IV year,CSI >>>>>> Indian Institute Of Technology,Roorkee >>>>>> >>>>>> -- >>>>>> 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. >>>>> >>>> >>>> >>>> >>>> -- >>>> Sunny Aggrawal >>>> B-Tech IV year,CSI >>>> Indian Institute Of Technology,Roorkee >>>> >>>> -- >>>> 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. >> > > > > -- > JaiDev Yadav > (National Yoga Champion) > Computer Engg. Dept. > National Institute of Technology > Kurukshetra,Haryana > > -- > 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.
