Goldman Sachs | OA | Sonu's Chalk Arrangement | SDE internship + Full Time

GoldmanSachs · Question · Posted Apr 2026

Problem: Sonu's Chalk Arrangement Objective: Sonu wants to arrange his collection of chalks to achieve two objectives: Mimic Ramu's Pattern: Sonu's arrangement must follow the same "increase-decrease" variation order as Ramu's arrangement. Maximize Niceness: Among all arrangements that mimic the pattern, choose the one that results in the highest "overall niceness." Definition of Niceness: The "niceness" of an arrangement of N chalks with heights (h1​,h2​,hn​) is the sum of the absolute differences between adjacent chalks: Niceness=i=1∑N−1​∣hi​−hi+1​∣ Pattern Mimicry If Ramu's ...

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