is there any general algo for this question,ie, upto any n(here
16) ? ?
On Sep 15, 2:46 am, Minotauraus <anike...@gmail.com> wrote:
> I guess the problem could be modified for any 1..n where n is 2^m.
> so say 1....32
> or 1...64
> Try it out. It still works! The time complexity in this case is O(log
> n).
>
> On Sep 14, 6:02 am, Dave <dave_and_da...@juno.com> wrote:
>
>
>
> > @Bittu: First, it makes no sense to say O(n) when n is fixed. Second,
> > if you know the solution, a program to print it out just consists of a
> > printf statement, e.g.,
>
> > printf("16, 9, 7, 2, 14, 11, 5, 4, 12, 13, 3, 6, 10, 15, 1, 8\n");
>
> > plus whatever language stuff you need to get it to compile and run.
>
> > Dave
>
> > On Sep 14, 4:26 am, bittu <shashank7andr...@gmail.com> wrote:
>
> > > @Dav....hw can u compute in contant time where runing time dwepends
> > > on elements of array e.g.
>
> > > its has complexcity O(n).... isn'tit..??????
>
> > > import java.util.Arrays;
> > > import java.util.LinkedList;
>
> > > class SolutionFinder
> > > {
> > > public static void find(final LinkedList<Integer> remaining, final
> > > LinkedList<Integer> found)
> > > {
> > > if (remaining.size() == 0) // We made it through the whole list, this
> > > is a solution
> > > {
> > > for (final Integer curr : found)
> > > {
> > > System.out.printf("%d ", curr);}
> > > }
>
> > > else
> > > {
> > > for (int i = 0; i < remaining.size(); i++)
> > > {
> > > final Integer next = remaining.get(i);
>
> > > System.out.print("next \t" + next);
>
> > > int size=found.size()-1;
> > > Integer fnd=found.get(size);//always return last
>
> > > System.out.print("\t fnd \t" + fnd + "\n");
>
> > > if (Arrays.asList(4, 9, 16, 25).contains(fnd+ next))
> > > {
> > > found.add(remaining.remove(i));
> > > find(remaining, found);
> > > remaining.add(i, found.remove(found.size() - 1));
>
> > > }
> > > }
> > > }
> > > }
>
> > > public static void main(final String[] args)
> > > {
> > > final LinkedList<Integer> remaining = new LinkedList<Integer>();
> > > final LinkedList<Integer> found = new LinkedList<Integer>();
> > > for (int i = 1; i <= 15; i++)
> > > {
> > > remaining.add(i);}
>
> > > found.add(16);
> > > find(remaining, found);
>
> > > }
> > > }
>
> > > Right me if i m wrong
>
> > > Regard's
> > > Shashank Mani Narayan " Don't Be Evil U Can Earn While U learn"
> > > Computer Science & Engineering
> > > Birla Institute of Technology,Mesra
> > > Cell No. +91-9166674831
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