Download JNTUH MCA 2nd Sem R15 2021 July-August 821AF Data Structures And Algorithms Question Paper

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Code No: 821AF R13

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

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Answer any five questions

All questions carry equal marks

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1. Define a list. Describe the fundamental operations performed on a double linked list data structure with pseudo codes. [15]
2. a) What are the applications of queue data structure?
   b) Write down the algorithms for enqueue and dequeue operations using list ADT.
   c) How does a Queue data structure differs from a stack data structure? [5+5+5]
3. a) Write an algorithm for insertion and deletion of a node into a Binary Tree and illustrate with an example.
   

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   b) Construct an expression tree for the following expression:
   (a/b*c)+((d* e+H)* g) +h. [8+7]
4. a) Write the procedure to insert into a binary heap and illustrate with an example.
   b) Show the result at each pass of inserting the following elements in to an empty min heap: 1,2,3,4,5,6,7,8,9,10, 11, 12, 13, 14, 15. [8+7]
5. a) Explain briefly about linear probing and quadratic probing collision resolution strategies.
   

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   b) What are the advantages and disadvantages of the various collision resolution strategies? [8+7]
6. What is quick sort? Write an algorithm for quick sort and derive its run time complexity with an illustrative example. [15]
7. a) Write down the algorithms for insertion and deletion operations of Red-Black Tree and illustrate with an example.
   b) State the applications of B-Trees and AVL Trees. [8+7]
8. With an illustrative example, explain Optimal Binary Search Tree using Dynamic Programming approach. [15]

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