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On Sun, Jul 10, 2011 at 7:34 PM, Yogesh Yadav <medu...@gmail.com> wrote:

> yeah then it will be possible in O(n^2)
>
>
> On Sun, Jul 10, 2011 at 5:57 AM, Yogesh Yadav <medu...@gmail.com> wrote:
>
>> @sunny : thanks ..i got it...
>>
>>
>> On Sun, Jul 10, 2011 at 5:55 AM, sunny agrawal 
>> <sunny816.i...@gmail.com>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 <medu...@gmail.com> 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 <sunny816.i...@gmail.com
>>>> > 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 <medu...@gmail.com>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 <ankurkaku...@gmail.com>wrote:
>>>>>>
>>>>>>> @yogesh- can u explain with an example pls?
>>>>>>>
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>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Sunny Aggrawal
>>>>> B-Tech IV year,CSI
>>>>> Indian Institute Of Technology,Roorkee
>>>>>
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>>>>
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>>>
>>>
>>>
>>> --
>>> Sunny Aggrawal
>>> B-Tech IV year,CSI
>>> Indian Institute Of Technology,Roorkee
>>>
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>>
>>
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-- 
JaiDev Yadav
(National Yoga Champion)
Computer Engg. Dept.
National Institute of Technology
Kurukshetra,Haryana

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