In a max-heap, element with the greatest key is always in th...

MCQ

In a max-heap, element with the greatest key is always in the which node?

Leaf node

First node of left sub tree

root node

First node of right sub tree

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MCQ

Heap exhibits the property of a binary tree?

May be

Can't say

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What is the other name of weak heap?

Min-heap

Max-heap

Relaxed -heap

Leonardo heap

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MCQ

In a max-heap, element with the greatest key is always in the which node?

Leaf node

First node of left sub tree

root node

First node of right sub tree

Discussion

MCQ

Why is heap implemented using array representations than tree(linked list) representations though both tree representations and heaps have same complexities?

for binary heap

-insert: O(log n)

-delete min: O(log n)

for a tree

-insert: O(log n)

-delete: O(log n)

Then why go with array representation when both are having same values ?

arrays can store trees which are complete and heaps are by it

lists representation takes more memory hence memory efficiency is less and go with arrays

array have better caching

all of the mentioned

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MCQ

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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