Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations:getandset.get(key)- Get the valu...
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其他好文 时间:
2014-07-19 12:13:13
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254
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations:getandset.get(key)- Get the valu...
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其他好文 时间:
2014-07-11 20:36:27
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234
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and set.
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其他好文 时间:
2014-07-08 22:54:28
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287
Problem Description:Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations:getandset.ge...
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其他好文 时间:
2014-07-07 16:41:12
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237
http://www.acmerblog.com/leetcode-lru-cache-lru-5745.htmlacm之家的讲解是在是好,丰富import java.util.LinkedHashMap;public class LRUCache { private int capacit...
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编程语言 时间:
2014-07-07 15:32:24
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281
LRU:最近最久未使用,为了得到这个最新最久的信息,需要一种策略来进行记录,如果加入类似时间戳式的字段,那么每次删除的时候,就必须通过遍历才能得到时间信息,或者对时间戳进行排序,但是无论哪种,都是需要额外的维护,维护成本都比较高。
广泛使用的策略是底层用双端队列来进行维护,双端使得在插入删除时操作更简单。而单单使用双端队列似乎还是不够,比如在get 时,还是需要顺序查找给定的key参数的,所以为...
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编程语言 时间:
2014-07-05 23:30:57
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292
【题目】
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and set.
get(key) - Get the value (will always be positive) of the key if the key exists in the cache, otherwise return -1.
se...
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其他好文 时间:
2014-06-29 22:45:26
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358
语言:C++描述:使用单链表实现,HeadNode是key=-1,value=-1,next=NULL的结点。距离HeadNode近的结点是使用频度最小的Node。 1 struct Node { 2 int key; 3 int value; 4 Node* next; 5...
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其他好文 时间:
2014-06-27 18:48:42
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209
题目:Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations:getandset.get(key)- Get the v...
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其他好文 时间:
2014-06-25 14:12:42
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214
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and set.
get(key) - Get the value (will always be positive) of the key if ...
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其他好文 时间:
2014-06-24 17:25:41
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197