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面试挂在了 LRU 缓存算法设计上
source link: https://juejin.im/post/5cedeac1e51d4556bc066eff
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好吧，有人可能觉得我标题党了，但我想告诉你们的是，前阵子面试确实挂在了 RLU 缓存算法的设计上了。当时做题的时候，自己想的太多了，感觉设计一个 LRU(Least recently used) 缓存算法，不会这么简单啊，于是理解错了题意（我也是服了，还能理解
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