In a binary search algorithm, what happens to the search space after each compar

Practice Questions

Q1
In a binary search algorithm, what happens to the search space after each comparison?
  1. It doubles
  2. It remains the same
  3. It halves
  4. It increases linearly

Questions & Step-by-Step Solutions

In a binary search algorithm, what happens to the search space after each comparison?
  • Step 1: Start with a sorted list of items.
  • Step 2: Identify the middle item of the list.
  • Step 3: Compare the middle item with the target value you are searching for.
  • Step 4: If the middle item is equal to the target, you found it!
  • Step 5: If the middle item is less than the target, discard the left half of the list (including the middle item).
  • Step 6: If the middle item is greater than the target, discard the right half of the list (including the middle item).
  • Step 7: Repeat steps 2 to 6 with the new, smaller list until you find the target or the list is empty.
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