460. LFU Cache

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Design and implement a data structure for a Least Frequently Used (LFU) cache. Implement the LFUCache class: - LFUCache(int capacity) Initializes the object with the capacity of the data structure. - int get(int key) Gets the value of the key if the key exists in the cache. Otherwise, returns -1. - void put(int key, int value) Update the value of the key if present, or inserts the key if not a

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solution.cppC++17

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