Get Exp.

Problem Overview

• Pair the highest and lowest experience points iteratively and record each pair’s average.
• Input: even-sized array of n (2–1e5) with 0 ≤ exp[i] ≤ 1e9; Output: the count of distinct average values.
• Real-world context: forming balanced hackathon pairs at a tech company.
• From Amazon interviews; a classic coding interview problem and interview question.