ok nair so tell me from where u found these questions?
On Fri, Aug 19, 2011 at 9:19 PM, jestincobol nair <jestinco...@gmail.com>wrote:
> A binary search tree is defined as follows.
>
> Each node has a key, a value, a (possibly null) left child, and a
> (possibly null) right child.
> An ordering is defined on the keys to be stored in the tree.
> For a given node nd, the keys of all the nodes in its left subtree are
> “before” nd’s key, and the keys of all the nodes in its right subtree are
> “after” nd’s key.
> The depth of the root node is defined to be 0; the depth of any other
> node is 1 more than the depth of its parent.
>
> How would the next() function of a binary search tree’s iterator be
> defined, assuming no changes are made to the tree while the iterator is
> active?
>
> Note: next() should return the value at each node in order of the
> corresponding keys; also, assume for each answer that the iterator has been
> appropriately initialized before the first call to next().
>
> 1. using a queue:
>
> nd = q.remove()
> q.add(nd.leftChild)
> a.qdd(nd.rightChild)
> return nd.value
>
> 2. using a stack:
>
> nd = stk.remove()
> stk.add(nd.leftChild)
> stk.add(nd.rightChild)
> return nd.value
>
> 3. using a stack:
>
> nd = stk.remove()
> nxt = nd.getRight()
> while (null != nxt) { stk.push(nxt); nxt = nxt.getLeft(); }
> return nd.value
>
>
>
> 1 is correct
>
>
> 2 is correct
>
>
> 3 is correct
>
>
> None of these
>
>
> plz say ur answers for this ??
>
>
> On Fri, Aug 19, 2011 at 9:18 PM, jestincobol nair
> <jestinco...@gmail.com>wrote:
>
>> @ sagar:no dude !! dese are of not of citrix :)
>>
>>
>> On Fri, Aug 19, 2011 at 9:14 PM, sagar pareek <sagarpar...@gmail.com>wrote:
>>
>>> @nair
>>> Are these questions of CITRIX?
>>>
>>> coz all these questions i already faced somewhere
>>>
>>>
>>> On Fri, Aug 19, 2011 at 9:12 PM, priya ramesh <
>>> love.for.programm...@gmail.com> wrote:
>>>
>>>> 5th is option 1 sorry
>>>>
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>>>
>>>
>>>
>>> --
>>> **Regards
>>> SAGAR PAREEK
>>> COMPUTER SCIENCE AND ENGINEERING
>>> NIT ALLAHABAD
>>>
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>>
>>
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**Regards
SAGAR PAREEK
COMPUTER SCIENCE AND ENGINEERING
NIT ALLAHABAD
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