V2EX acr0ss
acr0ss

acr0ss

V2EX member #246703, joined on 2017-08-04 10:07:44 +08:00
Java 性能竟然优于 Rust,哪里有问题呢?
  •  1   
    程序员    acr0ss    May 10, 2024    Lastly replied by mmdsun
    28
    [请教] 生活中的算法题:密码尝试次数
    算法    acr0ss    Dec 12, 2023    Lastly replied by acr0ss
    33
    ChatGTP 能替代那个岗位
    OpenAI    acr0ss    Jun 13, 2023    Lastly replied by acr0ss
    17
    MBP 换机请教
    MacBook Pro    acr0ss    Oct 26, 2021    Lastly replied by SmallTeddy
    18
    求问:主流站点登录加密方式?
    程序员    acr0ss    Dec 24, 2020    Lastly replied by hehe12980
    69
    现在 iMazing 是否还能下载下架的 APP 呢?
    Apple    acr0ss    Sep 21, 2020    Lastly replied by l0ng117
    14
    HTTP PATCH 的问题
    HTTP    acr0ss    Jun 22, 2020    Lastly replied by acr0ss
    6
    求问 Tomcat 热部署 404 的问题
    Java    acr0ss    Dec 29, 2017    Lastly replied by minyress
    7
    acr0ss's recent replies
    @lanxisama 浏览器插件,能把网页直接剪切到笔记。现在基本主流笔记软件都有
    @xiaocongcong1 随着笔记增多,会有关联性的需求。散落的思维需要整理成结构化
    @metaquant 讲道理我还真试过,感觉比较臃肿,整体是类似豆包的浏览器,笔记功能只是附加
    北京移动同求解答
    @nullyouraise 谢谢告知这个影响。不过我任务这点影响不大,print 也就 25 行左右。
    现在还有+86 能正常收到验证码吗?
    @geelaw 多谢老哥指点,数学真是奇妙,没想道这个问题已经有答案了。
    我还有一个问题: 能确保对于任意 n,k 和窗口 m ,都存在对应的 de bruijn 序列吗?
    @geelaw 看了简介,拙笨无法应用于此问题,烦请指教。
    @yw9381 是的,就是想表达这个问题。
    首先想到的上界肯定是 50W ,但也肯定能往下缩减。
    由于一个十二位能表示七个六位,所以下界肯定是 10**6 / 7 ,当然这个应该是达不到的。

    究竟怎么求具体值,我没有算法思路,就连暴力算法也没思路。
    @NoOneNoBody 老哥我都抽象成纯算法问题了,咋还揪着密码不放呢!?

    题意是用十二位表示所有六位数,所有六位数,所有六位数。
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