Find every value whose removal minimizes the optimal absolute-difference pairing cost. Use sorting, adjacent-pair structure, and prefix-suffix reasoning without inventing a tie winner.
Company: Squarepoint
Role: Quantitative Researcher
Category: Coding & Algorithms
Difficulty: medium
Interview Round: Technical Screen
Overview: Find every value whose removal minimizes the optimal absolute-difference pairing cost. Use sorting, adjacent-pair structure, and prefix-suffix reasoning without inventing a tie winner.
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