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What is the time complexity of searching for an element in a queue implemented u

Practice Questions

Q1
What is the time complexity of searching for an element in a queue implemented using an array?
  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 searching for an element in a queue implemented using an array?
  • Step 1: Understand what a queue is. A queue is a data structure that follows the First In First Out (FIFO) principle.
  • Step 2: Know that a queue can be implemented using an array, where elements are stored in a linear format.
  • Step 3: When searching for an element in the queue, you need to look at each element one by one.
  • Step 4: If the queue has 'n' elements, you may have to check all 'n' elements to find the one you are looking for.
  • Step 5: Since you might check every element in the worst case, the time it takes grows linearly with the number of elements.
  • Step 6: Therefore, the time complexity for searching in this case is O(n), where 'n' is the number of elements in the queue.
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