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Solve binary-search knapsack & graph shortest path

MicrosoftSoftware Engineer · Online Assessment
MediumSoftware EngineerOnline AssessmentCoding & Algorithms

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This question evaluates a candidate's ability to apply algorithmic optimization by using binary search instead of dynamic programming for a knapsack-style selection problem and to construct and compute shortest paths on a weighted graph from custom input.

Question

Given a sorted list of items, design an efficient solution (using binary search) to achieve the target objective instead of a dynamic-programming knapsack approach. Given a weighted graph provided in a custom input format, build the graph and compute the shortest path between two nodes.