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本节围绕以下内容展开:
散列表使用某种算法操作(散列函数)将键转化为数组的索引来访问数组中的数据,这样可以通过Key-value的方式来访问数据,达到常数级别的存取效率。现在的nosql数据库都是采用key-value的方式来访问存储数据。 散列表是算法在时间和空间上做出权衡的经典例子。
一些您可能无法访问的结果已被隐去。
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