lambdaxing

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C++ copy ,通过 map 、list 和迭代器实现哈希链表: ```c++ class LFUCache { public: unordered_map keyToVal; // 存储 key-value unordered_map keyToFreq; // 存储 key-freq(计数值) unordered_map freqToKeys; // 存储 freq-keys(list) 一对多的关系,一个计数值对应多个 key unordered_map keyToFKNode;...