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The interview marathon continues, if you haven’t read my previous post, you can find it here and read it first.

Yelp (London)

Because of a reference from someone working in-house, I got an online assessment directly. The problem was easy, “Try to implement a comparator so that we can sort an array consists of some objects based on some specific rules”. I received positive feedback after 8 days which was very sluggish to be honest.

Next was a phone interview, after a brief chat, I started to solve the coding question “Given an integer array and a target, find a combination of integers so that it can be aggregated to the target, you can use each integer arbitrarily”. The brutal force way of using Depth-First-Search might be coming into your mind easily, and if the target isn’t so large, you can also try a dynamic programming approach. …


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