BNY Mellon, Online Assessments (OA) 15 Mar, 2026 | The Puzzle of Harmony | Hiking Cost | Complete Solutions & Tips | GCD Optimization & Array Pathing | Mar 15th Campus Assessment

Question 1: The Puzzle of Harmony Problem Statement: In a mystical world of balance and order, you are faced with an intricate challenge involving N magical creatures. Each creature carries a specific energy level, represented in the array E. To restore harmony to the realm, you must pair them wisely according to their energy compatibility. The energy cost of creating harmony between two creatures is determined by the greatest common divisor (GCD) of their energy levels. But there's a twist; ...