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RSS订阅原创 每日一练习——密码锁
DescriptionScrooge McDuck keeps his most treasured savings in a home safe with a combination lock. Each time he wants to put there the treasures that he's earned fair and square, he has to open the lock.The combination lock is represented by n rotating
2020-12-29 14:52:39
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原创 每日一练习——车辆碰撞选好车问题
DescriptionLittle Susie, thanks to her older brother, likes to play with cars. Today she decided to set up a tournament between them. The process of a tournament is described in the next paragraph.There are n toy cars. Each pair collides. The result of
2020-12-29 14:17:37
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原创 每日一练习——买香蕉问题
看到一个算法专栏的博主的博客 -->（MingShen），觉得很有意思，可惜博主是用C语言写的，征得博主同意后本考拉决定将这位博主的算法题（当然是在自己能力范围之内的）用 java 或 scala 进行实现，哈哈哈哈哈哈。DescriptionA soldier wants to buy w bananas in the shop. He has to pay k dollars for the first banana, 2k dollars for the second one and so
2020-11-12 11:26:05
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原创 关于Redis那点事 —— 基础篇
关于Redis那点事（一）1. redis基本概念redis默认端口号：6379，默认共有16个数据库（0 ~ 15），如果不选择数据库，默认存储进入0号数据库redis是内存型数据库，数据的存储格式是K-V键值对形式，key是String类型的，value可以分为不同的数据结构，但是get查阅出来的所有的数据都是String类型reids的命令对大小写不敏感，但key对大小写敏感2. redis数据结构String#选择数据库select 0#查看已经使用字节数dbsize
2020-11-11 17:44:18
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