Question Discussion & Solution

MCQ

The total comparisons in finding both smallest and largest elements are

2*n +2

n + ((n+1)/2) -2

n+logn

n^2

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MCQ

In a binomial heap the root value is greater than left child and less than right child.

May be

Can't say

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An array consist of n elements. We want to create a heap using the elements. The time complexity of building a heap will be in order of

O(n*n*logn)

O(n*logn)

O(n*n)

O(n *logn *logn)

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MCQ

If we implement heap as min-heap , deleting root node (value 1)from the heap. What would be the value of root node after second iteration if leaf node (value 100) is chosen to replace the root at start.

data-structure-questions-answers-heap-q6

100

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MCQ

What is order of resultant heap after merging two tree of order k?

2*k

k+1

k*k

k+logk

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MCQ

What is wrong with the following code of insertion in fibonacci heap. Choose the correct option

FIB-INSERT(H, x)
 degree[x]= 0
 p[x]=  NIL
 child[x] =NIL
 left[x] =x
 right[x] =x
 mark[x] =FALSE
 concatenate the root list containing x with root list H 
 if min[H] = NIL or key[x] > key[min[H]]
 then min[H]= x
 n[H]= n[H] + 1

Line -11

Line -3

Line 9

Line 7

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Abstract data types

Arrays

Lists

Stacks

Queues

Trees

Binary Trees

B Trees

Heaps

Hash based structures

Graphs

Mixed

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