Data Structures Algorithms-II MCQs

Page No. 43

Recursive insertion sort is a comparison based sort.


aTrue

✓


b False

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cA & B

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dNone of these

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View Answer True

Which of the following is a variant of insertion sort?


aselection sort

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bshell sort

✓


codd-even sort

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dstupid sort

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View Answer shell sort

Which of the following sorting algorithm is stable?


a Selection sort

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bQuick sort

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cInsertion sort

✓


dHeap sort

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View Answer Insertion sort

What will be the recurrence relation of the code of recursive insertion sort?


a T(n) = 2T(n/2) + n

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bT(n) = 2T(n/2) + c

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c T(n) = T(n-1) + n

✓


d T(n) = T(n-1) + c

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View Answer T(n) = T(n-1) + n

Insertion sort is an online sorting algorithm.


atrue

✓


b false

✖


cA & B

✖


dNone of these

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View Answer true

Which of the following is an advantage of recursive insertion sort over its iterative version?


a it has better time complexity

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bit has better space complexity

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cit is easy to implement

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dit has no significant advantage

✓



Which of the following version of tree sort will have the highest worst case time complexity?


ausing AVL tree as BST

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busing red black tree as BST

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cusing splay tree as BST

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d using ordinary BST

✓


View Answer using ordinary BST

Which of the following is not an advantage of tree sort?


a it has a low space complexity

✓


b it has good time complexity for balanced BST

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cit is an online sorting algorithm

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dit is stable sorting algorithm

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Which of the following is not an advantage of tree sort?


ait has a low space complexity

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b it has good time complexity for balanced BST

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cit is an online sorting algorithm

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d it is stable sorting algorithm

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The worst case time complexity of tree sort remains unaffected when implemented with an unbalanced tree or a balanced tree.


a True

✓


b False

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cA & B

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dNone of these

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View Answer True

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