3815. Design Auction System

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You are asked to design an auction system that manages bids from multiple users in real time. Each bid is associated with a userId, an itemId, and a bidAmount. Implement the AuctionSystem class: - AuctionSystem(): Initializes the AuctionSystem object. - void addBid(int userId, int itemId, int bidAmount): Adds a new bid for itemId by userId with bidAmount. If the same userId already has

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solution.cppC++17

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