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9 questions
Which data structure allows efficient insertion and deletion at both ends?
What is the average time complexity of searching for an element in a hash table?
Which sorting algorithm is generally the most efficient on large, mostly sorted datasets?
An array stores elements in contiguous memory locations.
Depth-first search (DFS) can be implemented using a queue data structure.
The worst-case time complexity of Quick Sort is O(n2).
Explain the main difference between an array and a linked list.
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Why is Big O notation important in algorithm analysis?
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Describe how a hash table handles collisions.
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