Data Structure and Algorithms Quiz

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Questions and Answers

What is the time complexity of a binary search algorithm?

  • O(n)
  • O(1)
  • O(log n) (correct)
  • O(n log n)

Which data structure uses LIFO (Last In First Out) principle?

  • Stack (correct)
  • Queue
  • Linked list
  • Binary tree

Which sorting algorithm has the best worst-case time complexity?

  • Quick sort
  • Merge sort (correct)
  • Insertion sort
  • Bubble sort

Which of the following is NOT a common example of a data structure?

<p>Algorithm (C)</p> Signup and view all the answers

What is the time complexity of the quicksort algorithm in the worst-case scenario?

<p>$O(n^2)$ (C)</p> Signup and view all the answers

Which data structure does NOT use a FIFO (First In First Out) principle?

<p>Stack (A)</p> Signup and view all the answers

Which data structure is best suited for implementing a recursive algorithm?

<p>Tree (A)</p> Signup and view all the answers

What is the space complexity of the merge sort algorithm in the worst-case scenario?

<p>$O(n)$ (D)</p> Signup and view all the answers

Which sorting algorithm is not suitable for large datasets due to its quadratic time complexity in the worst-case scenario?

<p>Insertion Sort (A)</p> Signup and view all the answers

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