LRU Cache: How would you design an LRU cache with O(1) get and put?
LRU Cache: How would you design an LRU cache with O(1) get and put?
题目类型: 技术面试题
这是一道技术面试题,常见于澳洲IT公司面试中。
难度: hard
标签: interviewbit, python, topic-specific
参考答案摘要
You use a dictionary for fast lookup and a doubly linked list (or OrderedDict) to track recent usage, when you access an item you move it to the end, when cache is full you remove the least recently u...
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