Data Structures Algorithms-II MCQs

Page No. 59

Which of the following is called the “ultimate planar convex hull algorithm”?


aChan’s algorithm


bKirkpatrick-Seidel algorithm


cGift wrapping algorithm


dJarvis algorithm



The running time of Chan’s algorithm is obtained from combining two algorithms.


aTrue


bFalse


ceither A. or B.


d None of these


View Answer True

Who formulated Chan’s algorithm?


aTimothy


b Kirkpatrick


cFrank Nielsen


dSeidel


View Answer Timothy

What is the running time of Chan’s algorithm?


aO(log n)


bO(n log n)


cO(n log h)


dO(log h)


View Answer O(n log h)

Chan’s algorithm is used for computing _________


aClosest distance between two points


bConvex hull


cArea of a polygon


dShortest path between two points


View Answer Convex hull

In Depth First Search, how many times a node is visited?


aOnce


bTwice


c Equivalent to number of indegree of the node


dThrice



Regarding implementation of Depth First Search using stacks, what is the maximum distance between two nodes present in the stack? (considering each edge length 1)


a Can be anything


b0


cAt most 1


dInsufficient Information


View Answer Can be anything

When the Depth First Search of a graph is unique?


aWhen the graph is a Binary Tree


bWhen the graph is a Linked List


cWhen the graph is a n-ary Tree


dWhen the graph is a ternary Tree



Which of the following is not an application of Depth First Search?


aFor generating topological sort of a graph


bFor generating Strongly Connected Components of a directed graph


c Detecting cycles in the graph


dPeer to Peer Networks


View Answer Peer to Peer Networks

A person wants to visit some places. He starts from a vertex and then wants to visit every vertex till it finishes from one vertex, backtracks and then explore other vertex from same vertex. What algorithm he should use?


a Depth First Search


bBreadth First Search


cTrim’s algorithm


d Kruskal’s Algorithm


View Answer Depth First Search

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