Data Structures and Algorithms-I MCQs

Page No. 25

Which of the following operations does not destroy the leftist heap property?


ansert

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bmerge

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cdelete

✓


dswap

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View Answer delete

How many nodes does a leftist tree with r nodes must have?


a2r

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b2r-1

✓


c2r

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d2r-1

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View Answer 2r-1

In a leftist heap, the null path length of a null node is defined as?


a0

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b1

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cnull

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d-1

✓


View Answer -1

How many properties does a leftist heap support?


a1

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b2

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c3

✓


d4

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View Answer 3

Pointer manipulation is generally more time-consuming than multiplication and division.


atrue

✓


bFalse

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cNone of the given options

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deither true either false

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View Answer true

In skew heaps, certain constraints are to be met in order to perform swapping.


atrue

✖


bfalse

✓


cNone of the given options

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deither true either false

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View Answer false

What is the amortized efficiency of skew merge?


aO(N)

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bO( log N)

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cO( N log N)

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dO(2N)

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View Answer O( log N)

Naïve merge cannot be done in a skew merge.


atrue

✖


bfalse

✓


cNone of the given options

✖


deither true either false

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View Answer false

How many types of the merge are available in skew heaps?


a1

✖


b2

✓


c3

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d4

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View Answer 2

The worst case analysis for a naïve merge is given as?


aO(N)

✓


bO( log N)

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cO( N log N)

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dO(2N)

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View Answer O(N)

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