981. Time Based Key-Value Store

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Design a time-based key-value data structure that can store multiple values for the same key at different time stamps and retrieve the key's value at a certain timestamp. Implement the TimeMap class: - TimeMap() Initializes the object of the data structure. - void set(String key, String value, int timestamp) Stores the key key with the value value at the given time timestamp. - String get(Stri

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solution.cppC++17

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