HashMap Heap - V2EX
Nazz

HashMap Heap

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  •   Nazz Nov 16, 2023 1302 views
    This topic created in 912 days ago, the information mentioned may be changed or developed.

    最近将 hashmapheap 结合起来实现了一种数据结构, 它具有 O(1) 的随机访问和极值访问性能, O(logN) 的插入/更新/删除性能. 用途非常广泛, 可以作为 TTL 缓存 / 时间堆 / 有序集合 / 撮合成交系统核心 使用.

    前人是不是已经发明过了, 可有正式名称?

    GitHub

    5 replies    2023-11-17 08:16:56 +08:00
    ho121
        1
    ho121  
       Nov 16, 2023 via Android
    题外话,这个是 lfucache ,要求 get 和 put 是 O(1)的性能

    https://leetcode.com/problems/lfu-cache/
    Nazz
        2
    Nazz  
    OP
       Nov 16, 2023
    @ho121 我是受 https://leetcode.cn/problems/lru-cache/ 这个题启发的
    Nazz
        3
    Nazz  
    OP
       Nov 16, 2023
    leetcode 新 ui 真鸡儿难用, 应该杀了 pm 祭天
    lance6716
        4
    lance6716 &bsp;
       Nov 16, 2023 via Android   1
    indexed priority queue
    Nazz
        5
    Nazz  
    OP
       Nov 17, 2023 via Android
    @lance6716 名字很贴切,就是长了点
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