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DIY: Random Pick with Weight

Explore how to implement a random weighted index picker in Kotlin, a technique useful for optimizing allocations such as Uber's driver assignments. This lesson teaches you to work with weighted probabilities for selecting an index, enhancing your coding interview skills with real-world problem-solving.

Problem statement

You are given a list of positive integers, w, where w[i] describes the weight of the ithi{th} ...