# Design Alternating Card Dealing and Hand Comparison Design a card-game simulation that deals cards to users in alternating turns, exposes `deal_card()` and `check_result()` operations, compares completed hands under rules supplied by the interviewer, and records every deal and result event. Explain the representation, state transitions, comparison strategy, and tests without assuming rules that are absent from the prompt. ### Constraints & Assumptions - The complete card encoding, hand size, ranking rules, tie behavior, and event schema must be clarified. - Dealing alternates among the participating users in a defined order. - Event logging must reflect the same accepted state transition that changes the game. ### Clarifying Questions to Ask - What cards exist, how are they encoded, and when is a hand complete? - What ranking and tie-break rules does `check_result()` receive? - What exact events and fields must be logged, and what should invalid deals do? ```hint Isolate the rule engine Keep turn management and event recording separate from the supplied hand-comparison policy. ``` ### What a Strong Answer Covers - Explicit card, deck, player, turn, and event representations. - Preconditions and state changes for `deal_card()`. - A comparison interface that implements only the supplied ranking and tie rules. - Atomic logging, invalid-state behavior, complexity, and boundary tests. ### Follow-up Questions 1. How would a priority queue help if the supplied comparison rules rank many completed hands? 2. How would you replay the event log to verify the final state?