Hi,
My approach:-
3 1 2 1 4 1 2 1 4 3 2
1) Find matching element from start and end.
here it willl be 3
2) Perfrom (#1) for sub array 1 2 1 4 1 2 1 4
here it will be 2 1 4 1 2
4 left out
3) Perfrom (#1) on 2 1 4 1 2
here it will be 1 4 1
4) Perform (#1) on 1 4 1
here it will be 4
5) 4 is single element. discard it. @1
Now going to discard earlier found pairs..FROM INSIDE GOING OUT
6) 11 -> discard @ 2
7) 22 -> discard @ 3
8) 11 -> discard @ 4
9) 4 -> discard @5
10) 33 -> discard @ 6
11) 2 -> discard @ 7
Special coding.. :-
1) Consider 1 2 1 3 1
11 -> subarrray 2 1 3 sent
match not found. remember... last matching element.. which
is 1.
delete remainging single elements.
in this case...from 2 1 3 ...
2 and 3 will be deleted..
1 1 1 will be deleted..
3 clicks for 5 elements...
On Feb 3, 1:42 am, sourabh jakhar <sourabhjak...@gmail.com> wrote:
> this solution is wrong
>
>
>
>
>
>
>
>
>
> On Wed, Feb 2, 2011 at 12:41 AM, bittu <shashank7andr...@gmail.com> wrote:
> > @ its again the question related to the frequency..of number
>
> > My Approach would be
> > we have to count the no. of time the a particular number occurring in
> > the array then first took the number which has lowest frequency in
> > case of Tie FCFS used up.
> > then proceed to higher frequency number that represents the continuous
> > chunks so that how much elements this chunks it has we can remove this
> > in a single click & so on....
>
> > so for this 3 1 2 1 4 3 1 2 1 4 3 2
>
> > here array of 4 elements
> > Elements 1 2 3 4 ///also lets say we are initializing the array
> > index as 1
> > Index 1 2 3 4
> > Frequency 4 3 3 2
>
> > we first process the 4 Click Required 1
> > then 2 Click Required 1
> > then 3 Click Required 1
> > then 1 Click Required 1
>
> > Total Click Required =4
>
> > so It Can be done in O(n) while space O(n) is penalty we have to pay
> > for it...more better approach will be appreciated
>
> > Correct me if you Find Approach is wrongs
>
> > Thanks & Regrads
> > Shashank Mani ""The best way to escape from a problem is to solve it."
>
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> --
> SOURABH JAKHAR,(CSE)(3 year)
> ROOM NO 167 ,
> TILAK,HOSTEL
> 'MNNIT ALLAHABAD
>
> The Law of Win says, "Let's not do it your way or my way; let's do it the
> best way."
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