Download JNTUH MCA 2nd Sem R17 2021 July-August 842AA Data Structures And Algorithms Question Paper

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Code No: 842AA R17

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JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA II Semester Examinations, July/August - 2021
DATA STRUCTURES AND ALGORITHMS
Time: 3 Hours Max.Marks:75

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Answer any five questions
All questions carry equal marks

1. a) Rearrange following numbers using Quick sort: 10, 6, 3, 7, 17, 26, 56, 32, 72.
   b) Give the properties asymptotic notations. [7+8]
2. Trace the Merge sort algorithm to sort the list A, V, I, S, H, K, R, U, T, H in alphabetical order. [15]

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3. What is the solution generated by function Job Sequencing algorithm when n = 6 (P1,P2,P3,P4,PsPe) = (3, 5, 20, 18, 1, 6 ) and (D1,D2,D3,D4,D5,D6) = (1, 3, 4, 3, 2, 1). [15]
4. What is a Spanning tree? Explain Prim’s and Krushkal’s algorithm with the following graph. [15]

    AT CMH N 

5. Draw an Optimal Binary Search Tree for n = 4 identifiers (al,a2,a3,a4) = ( do, if, read, while) P(1:4) = (3,3,1,1) and Q(0:4) = (2,3,1,1,1). [15]
6. Discuss the 4 — Queen’s problem. Draw the portion of the state space tree for n = 4 Queens using backtracking algorithm. [15]
7. a) Define Max Heap. Construct Max Heap for the following:
   

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   140, 80, 30, 20,10 ,40 ,30 ,60,100,70 ,160 ,50 , 130, 110, 120. [15]
   b) Show that the maximum number of nodes in a Binary tree of height ‘h’ is 2^h-1.
   
8. Explain in detail about creation of a Binary Search Tree with suitable example. [7+8]

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