PYTHON PROBLEM 206 · Interview

Find first and last occurrence: Single occurrence

Both boundaries are identical when the target appears once.

Recognize the array pattern → define the invariant → scan efficientlybinary searchboundary

PROBLEM OVERVIEW

What this Python exercise asks you to practise

This scenario tests find first and last occurrence. It belongs to the Searching, Sorting, and Array Interviews roadmap and uses the recognize the array pattern → define the invariant → scan efficiently pattern.

Practice the array, searching, sorting, interval, and hashing questions asked in interviews.

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INTERVIEW CONTEXT

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