Which of the following is a valid application of binary search?

Practice Questions

Q1
Which of the following is a valid application of binary search?
  1. Finding the square root of a number
  2. Finding an element in a sorted array
  3. Sorting an array
  4. Searching in a hash table

Questions & Step-by-Step Solutions

Which of the following is a valid application of binary search?
  • Step 1: Understand what binary search is. It is a method used to find a specific item in a list.
  • Step 2: Know that binary search only works on sorted lists. This means the items in the list must be in order (like numbers from smallest to largest).
  • Step 3: Identify the goal of binary search. The goal is to quickly find the position of a specific item in the sorted list.
  • Step 4: Realize that if the list is not sorted, binary search cannot be used effectively.
  • Step 5: Conclude that a valid application of binary search is to find an element in a sorted array.
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