What is the time complexity of deleting an element from a queue?

Practice Questions

Q1
What is the time complexity of deleting an element from a queue?
  1. O(1)
  2. O(n)
  3. O(log n)
  4. O(n^2)

Questions & Step-by-Step Solutions

What is the time complexity of deleting an element from a queue?
  • Step 1: Understand what a queue is. A queue is a data structure that follows the First In First Out (FIFO) principle.
  • Step 2: Identify where deletion happens in a queue. Deletion occurs at the front of the queue.
  • Step 3: Recognize that deleting an element from the front of the queue does not depend on the number of elements in the queue.
  • Step 4: Realize that this deletion operation takes the same amount of time regardless of how many elements are in the queue.
  • Step 5: Conclude that since the time taken is constant, we express this as O(1) in Big O notation.
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