Which of the following is a common modification to binary search for finding the

Practice Questions

Q1
Which of the following is a common modification to binary search for finding the first occurrence of a target?
  1. Use a linear search
  2. Continue searching in the left half even after finding the target
  3. Sort the array first
  4. Use a stack

Questions & Step-by-Step Solutions

Which of the following is a common modification to binary search for finding the first occurrence of a target?
  • Step 1: Start with the binary search algorithm, which divides the search range in half each time.
  • Step 2: When you find the target value, do not stop searching immediately.
  • Step 3: Instead, continue to search in the left half of the current range to see if there is another occurrence of the target.
  • Step 4: If you find another occurrence in the left half, keep searching left until you can no longer find the target.
  • Step 5: Once you can no longer find the target in the left half, the last found index will be the first occurrence.
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