In a min-heap:...

MCQ

In a min-heap:

parent nodes have values greater than or equal to their Children

parent nodes have values less than or equal to their Children

both statements are true

both statements are wrong

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Heap can be used as ________________

Priority queue

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A decreasing order array

None of the mentioned

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The worst case complexity of deleting any arbitrary node value element from heap is

O(logn)

O(n)

O(nlogn)

O(n^2)

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If we implement heap as maximum heap , adding a new node of value 15 to the left most node of right subtree . What value will be at leaf nodes of the right subtree of the heap.

data-structure-questions-answers-heap-q7

15 and 1

25 and 1

3 and 1

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The main distinguishable characterstic of a binomial heap from a binary heap is that

it allows union operations very efficiently

it does not allow union operations that could easily be implemented in binary heap

the heap structure is not similar to complete binary tree

the location of child node is not fixed i.e child nodes could be at level (h-2) or (h-3), where h is height of heap and h>4

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What will be the order of new heap created after union of heap H1 and H2 when created by the following code. Initially both are of the order n.

FIB_UNION(H1,H2)
 {
  H =MAKE_HEAP()
  min[H]= min[H1]
  concatenate the root list of H2 with the root list of H
  if (min[H1] = NIL) or (min[H2]!= NIL and min[H2] < min[H1])
  then min[H] = min[H2]
  n[H]=  n[H1] + n[H2]
  free the objects H1 and H2
  return H
 }

n+1

n+n/2

nlogn

2*n

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