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American Express Interview Experiences
3935 interview stories from candidates at 857 companies: how each round went, what was asked and how it ended. Every company page links to practice questions in the same style.
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- Three OA Problems, One a Pizza Discount SimulationAmerican Express · Software Engineer · Online Assessment · Sep 2026
First question: given a 3x3 grid with stones placed on it — some cells may have more than one stone, and some cells may be empty — move stones between adjacent cells so that every cell ends up with exactly one stone. Find the minimum number of moves needed. This corresponds to LeetCode 2850, Minimum Moves to Spread Stones Over Grid. Second question: given a set of 2D coordinate points (x, y) and…