RejectedTechnical Screen

Perfect OA, Then a Rejection After One 30-Minute Coding Round

Hudson River TradingSoftware Engineer · New Grad · Technical Screen · Jul 2026

OA 70 minutes, 4 problems. The first two were super easy. The third one: given an m*n array, you define a diamond by its center point and radius, compute the sum of all the numbers inside the diamond, and return the largest sum among all valid diamonds. The fourth one was street lamps: given a set of lamps, each lamp has a center c and a radius r, so the segment [c-r, c+r] is lit by that lamp. Fi…

Shared by a candidate · reported Jul 2026. Interview formats change; use it as a guide, not a script.