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LRU(最近最少使用淘汰算法)基本实现
LRU(Least Recently Used) 出发点:在页式存储管理中,如果一页很长时间未被访问,则它在最近一段时间内也不会被访问,即时间局部性,那我们就把它调出(置换出)内存。 为了实现LRU淘汰算法,需要一些特殊的硬件支持。 三种可行方法 下面给出,栈法的实现代码: 原理: 运行截图: (似 ...
分类:编程语言   时间:2018-10-30 00:24:42    阅读次数:304
146 LRU Cache
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and put. get(key) - Get the ...
分类:系统相关   时间:2018-10-25 17:08:06    阅读次数:181
Recursive sequence(HDU5950 矩阵快速幂)
题目: Farmer John likes to play mathematics games with his N cows. Recently, they are attracted by recursive sequences. In each turn, the cows would sta ...
分类:其他好文   时间:2018-10-11 01:31:11    阅读次数:193
D - Berland National Library
Berland National Library has recently been built in the capital of Berland. In addition, in the library you can take any of the collected works of Ber ...
分类:其他好文   时间:2018-10-06 00:01:00    阅读次数:196
链表(上)
链表(上) @(数据结构与算法) 链表的经典应用场景: LRU 缓存淘汰算法。 缓存是一种提高数据读取性能的计数,如常见的:CPU 缓存,数据库缓存,浏览器缓存等。 缓存的大小有限,当缓存被用满时,那些数据应该被清理出去,那些数据应该保留,这就需要缓存淘汰策略算法来决定。常见得策略有三种:先进先出策 ...
分类:其他好文   时间:2018-10-04 15:23:13    阅读次数:147
线段树合并
Recently, TeaTree acquire new knoledge gcd (Greatest Common Divisor), now she want to test you. As we know, TeaTree is a tree and her root is node 1, ...
分类:其他好文   时间:2018-10-01 00:14:38    阅读次数:179
HDU - 6242:Geometry Problem(随机+几何)
Alice is interesting in computation geometry problem recently. She found a interesting problem and solved it easily. Now she will give this problem to ...
分类:其他好文   时间:2018-09-24 22:17:19    阅读次数:200
poj 1502
MPI Maelstrom Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 12087 Accepted: 7464 Description BIT has recently taken delivery of their new ...
分类:其他好文   时间:2018-09-08 22:34:21    阅读次数:158
Attack on Alpha-Zet
题目链接:https://nanti.jisuanke.com/t/28852 7998: Attack on Alpha-Zet 题目描述 Space pirate Captain Krys has recently acquired a map of the artificial and hig ...
分类:其他好文   时间:2018-09-07 22:03:16    阅读次数:215
Compass Card Sales(模拟)
Compass Card Sales 题目描述 Katla has recently stopped playing the collectible card game Compass. As you might remember, Compass is a game where each card ...
分类:其他好文   时间:2018-09-07 21:35:02    阅读次数:354
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