Meta Variants for Find First & Last Position of Element in Sorted Array (LC34)
Round 1
Questions:
Specific question not provided.
Follow-up questions included variants of the original problem:
- What if you had to return the count of an element? (Yes, you still have to use binary search)
- What if you had to return the count of unique elements?
Candidate's Approach
The candidate discussed using both lower- and upper bound binary searches to solve the original problem. They noted that the variants are fair extensions of the original problem but still require a solid understanding of binary search.
Interviewer's Feedback
No feedback provided.