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Uber's loop leans heavily on Uber Eats and rider/driver marketplace problems — Cart pricing, geo heatmaps, surge, and restaurant recommendation surface in nearly every onsite at L5+. Coding rounds are mostly tagged LeetCode patterns, but Hack2Hire OAs ship a small rotating set of original problems that rarely appear elsewhere. Coding bar is the gate; system design quality drives leveling between L5a / L5b / Senior / Staff.

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Coding·90 min
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OA: Jump Game with Prime-3 Steps

One of two problems in the 90-min Hack2Hire OA. Variant of LeetCode 1696 (Jump Game VI). From index 0 of an integer array, at each step you may jump +1 or jump +k where k is a prime ending in digit 3 (3, 13, 23, 43, 53, 73, 83, …). Maximize the sum of values landed on, finishing at index n−1.

SWE
dp
array
hard
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