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REG NO:

University Departments: Anna Universify, Chennai
M.E (FT) Degree Examination, Muy Z0IZ -ZA

Semester I - (Regulation 2009)
Branch : Computer Science and Engineering

CP 91T2 ADVANCED DATA STRUCTURES AND ALGORITHMS

Time : 3 hrs Answer all questions Max Marlis:l00

PartA(10x2=2Dmarks)
1. Define NP hard and NP complete problems and provide relation between
them.

2. Prove by contradiction: log(3) is irrational.
..'!. ..

'tt'
'1
3. Solve the recurrence relation : T(n) :3 T(n/2)+ c.n, given n is a power of 2
and c is a positive constant.

4. what is an AVL tree? what is its maximum height for n nodes ?

5. Define Trie data structure

6. What is special about Leftist tree?

7. Write down the properties of Deap data structure

8. State an application of counting binary tree

9. Draw a k-D tree where k:l
10. Explain stabbing query

Part B ( 5x 16 = 80 marks)

17' a. Perform detailed amortized analysis over the sequence of operations for l0
generating the first 9 subsets ov€r a binary set of elements.
6
b. State the properties of Big Oh notation

12. a. i) State if Splay tree is amortized data structure

Explain procedure for insertion and deletion of nodes in the splay tree with
ii) an example.
10
(oR)

b.'i) State the properties of Red black tree

ii) Wirl * example, perform the operations of an insertion and a deletion
on a
red black tree that makes the tree unbalanced and resolve the
imbalance. 10

13' a' i) Define binomial heap and explain the operations of insertion deletion
with
an example
10

ii) Explain why lazy binomial heap is called so?
6

(oR)
b. ii) Explain melding ofpriority queues

ii) Write algorithms for insertion and deletion operations in a Fibonacci
Heap
and explain with an example
l0
14' a' i) Explain a divide and conquer based algorithm for finding the
convex hull
over a set of n points. What is the time complexity of tf,g
algorithm? 12
ii)
Define deterministic and non deterministic algorithms
4 €:)
(oR)
b. i) What is a randomized algorithm?
4
ii) State the tree Vertex splitting problem and explain the
algorithm to solve t2
the problem and analyze its time complexity

15. a. f)efine ID( - quad lree and explain the basic operations of insertion,
deletion and querying
t6
(oR)

b. Define segment tree with n points and explain the querying
operation with
an example and evaluate the query time
t6

Advanced data structures and algorithms

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