Data Structures and Algorithms-I MCQs

Page No. 28

Which of the following is not true?


aTrie requires less storage space than hashing


bTrie allows listing of all the words with same prefix


cTries are collision free


dTrie is also known as prefix tree



Which of the following special type of trie is used for fast searching of the full texts?


aCtrie


bHash tree


cSuffix tree


dT tree


View Answer Suffix tree

Which of the following is the efficient data structure for searching words in dictionaries?


a BST


bLinked List


cBalancded BST


dTrie


View Answer Trie

What traversal over trie gives the lexicographical sorting of the set of the strings?


apostorder


bpreorders


cinorder


dlevel order


View Answer inorder

Trie is also known as _________


aDigital Tree


bTreap


cBinomial Tree


d2-3 Tree


View Answer Digital Tree

What is a time complexity for checking a string of length n is substring or not?


aO (log n!)


bO (n!)


cO (2n)


dO (n)


View Answer O (n)

Which tree allows fast implementation of a set of string operation?


aRope Tree


bTango Tree


cGeneralized Suffix Tree


dTop Tree



Can the two edges that are coming out of a node have labels of string beginning with the same character?


aTrue


bFalse


cNone of the given options


deither true either false


View Answer False

Do all the nodes have at least two children in suffix tree.


aTrue


bFalse


cNone of the given options


deither true either false


View Answer False

Which statement is correct of suffix tree with a string of length n?


aThe tree has n leaves.


bThe tree has n roots


cHeight of Tree is n


dDepth of tree is n



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