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A1-2017级算法上机第一次练习赛 A The stupid owls
题目描述 Bamboo recently bought an owl for sending and receiving letters. Every owl will bring a letter to exactly one person, so normally Bamboo's owl wi ...
分类:编程语言   时间:2018-12-27 00:39:23    阅读次数:184
[Daily Coding Problem] 1 (LeetCode 1). Find if two numbers in an array add up to k
This problem was recently asked by Google. Given a list of numbers and a number k, return whether any two numbers from the list add up to k. For examp ...
分类:其他好文   时间:2018-12-22 11:36:58    阅读次数:175
缓存算法:LRU、LFU、FIFO
LRU全称是Least Recently Used,即最近最久未使用的意思。如果一个数据在最近一段时间没有被访问到,那么在将来它被访问的可能性也很小。也就是说,当限定的空间已存满数据时,应当把最久没有被访问到的数据淘汰。 LFU(Least Frequently Used)最近最少使用算法。它是基于 ...
分类:编程语言   时间:2018-12-18 02:21:41    阅读次数:197
redis-sentinel主从复制高可用
redis-sentinel主从复制高可用 Redis-Sentinel Redis-Sentinel是redis官方推荐的高可用性解决方案,当用redis作master-slave的高可用时,如果master本身宕机,redis本身或者客户端都没有实现主从切换的功能。 而redis-sentine ...
分类:其他好文   时间:2018-12-12 13:50:25    阅读次数:232
W - Pasha and Phone CodeForces - 595B (收益颇丰的数学题
Pasha has recently bought a new phone jPager and started adding his friends' phone numbers there. Each phone number consists of exactly n digits. Also ...
分类:其他好文   时间:2018-12-11 19:51:18    阅读次数:224
CF431C k-Tree dp
Quite recently a creative student Lesha had a lecture on trees. After the lecture Lesha was inspired and came up with the tree of his own which he cal ...
分类:其他好文   时间:2018-12-01 20:05:22    阅读次数:229
146. LRU Cache - Hard
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:2018-12-01 11:10:21    阅读次数:205
绍兴市acm竞赛
题目: Little K is interested in BnB mode of the game Crazy Arcade recently. He found it important to preview the exploding time of bombs ,so he worked h ...
分类:其他好文   时间:2018-11-29 19:58:23    阅读次数:243
Error Fix – Replication subscriber does not exist on the server anymore(删除Replication时报错的解决办法)
Recently one of my client has faced weird situation related to SQL Server Replication. Their main database goes down so they started running mirroring ...
分类:其他好文   时间:2018-11-29 12:22:16    阅读次数:176
LruCache
一. LruCache基本原理 LRU全称为Least Recently Used,即最近最少使用。由于缓存容量是有限的,当有新的数据需要加入缓存,但缓存的空闲空间不足的时候,如何移除原有的部分数据从而释放空间用来存放新的数据。 LRU算法就是当缓存空间满了的时候,将最近最少使用的数据从缓存空间中删 ...
分类:系统相关   时间:2018-11-28 22:24:23    阅读次数:275
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