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Backend Engineer Interview Questions
Practice 9403 coding, system design and machine learning questions from 546 companies, sorted by role, topic and interview round. Every question has step-by-step hints, a code runner that supports 8 languages and an AI mentor; members also get the full solution walkthrough.
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- AirwallexMediumBackend EngineerMaximum Triangle Path Sum, Overall and Through a Required Cell
Given an integer triangle where each step moves to one of the two adjacent cells in the next row, return the maximum top-to-bottom path sum and the maximum sum among paths forced through a given cell. Tests dynamic programming on a triangle and adapting it to a constrained follow-up.
Coding & AlgorithmsOther
Airwallex