In a circular queue implemented using an array, what is the time complexity of t

Practice Questions

Q1
In a circular queue implemented using an array, what is the time complexity of the enqueue operation?
  1. O(1)
  2. O(n)
  3. O(log n)
  4. O(n^2)

Questions & Step-by-Step Solutions

In a circular queue implemented using an array, what is the time complexity of the enqueue operation?
  • Step 1: Understand what a circular queue is. It is a data structure that uses an array in a circular manner to store elements.
  • Step 2: Know what the enqueue operation is. Enqueue means adding an element to the queue.
  • Step 3: In a circular queue, when you add an element, you simply place it at the next available position in the array.
  • Step 4: Check if there is space available in the queue. If there is space, you can add the element.
  • Step 5: Since adding an element involves just updating the index and placing the element, it takes a fixed amount of time.
  • Step 6: Therefore, the time complexity for the enqueue operation is O(1), which means it takes constant time.
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