Exam (elaborations)
DSA QUESTIONS AND ANSWERS 2024
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Exam of 1 pages for the course DSA at DSA (DSA)
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DSAWhich procedure is used to solve a problem in a sequence? - answer Algorithm
Which of the following is a data structure used in programming? - answer binary tree
A storage that is used to organize, process, and retrieve data is called: - answerData
structure
n an unordered array, it's generally faster to find out an item is not in the array, than to
find out it is. - answerTrue
Six files F1, F2, f3, F4, F5 and F6 have 100, 200, 50, 80, 120, 150 records respectively.
In what order should they be stored so as to optimize act. Assume each file is accessed
with the same frequency. - answerF3, F4, F1, F5, F6, F2
Which of the following standard algorithms is not a Greedy algorithm? - answerBellmen
Ford Shortest path algorithm
Backtracking can be used to solve: - answerCombinatorial optimization problems
What of the following is NOT a characteristic of dynamic programming? - answerSolving
problems in a sequential manner.
What does it mean when we say that an algorithm X is asymptotically more efficient
than Y? - answerX will be a better choice for all inputs except possibly small inputs
The Fibonacci sequence is often used to illustrate dynamic programming concepts.
What is the time complexity of a naive recursive implementation of Fibonacci numbers?
- answerO(2^n)
The "Egg Dropping Puzzle" involves determining the minimum number of attempts
needed to find the critical floor from which an egg will break when dropped. What is the
time complexity of the dynamic programming approach for solving the Egg Dropping
Puzzle for K eggs and N floors? - answerO(K * N)
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