schtonn
/
public


			
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603
							<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=2">
<meta name="theme-color" content="#222">
<meta name="generator" content="Hexo 4.2.0">
  <link rel="apple-touch-icon" sizes="180x180" href="/images/apple-touch-icon-next.png">
  <link rel="icon" type="image/png" sizes="32x32" href="/images/favicon-32x32-next.png">
  <link rel="icon" type="image/png" sizes="16x16" href="/images/favicon-16x16-next.png">
  <link rel="mask-icon" href="/images/logo.svg" color="#222">

<link rel="stylesheet" href="/css/main.css">


<link rel="stylesheet" href="/lib/font-awesome/css/font-awesome.min.css">
  <link rel="stylesheet" href="/lib/pace/pace-theme-minimal.min.css">
  <script src="/lib/pace/pace.min.js"></script>

<script id="hexo-configurations">
    var NexT = window.NexT || {};
    var CONFIG = {"hostname":"schtonn.github.io","root":"/","scheme":"Muse","version":"7.7.2","exturl":false,"sidebar":{"position":"left","display":"post","padding":18,"offset":12,"onmobile":false},"copycode":{"enable":true,"show_result":true,"style":"flat"},"back2top":{"enable":true,"sidebar":false,"scrollpercent":true},"bookmark":{"enable":false,"color":"#222","save":"auto"},"fancybox":false,"mediumzoom":false,"lazyload":true,"pangu":false,"comments":{"style":"tabs","active":"valine","storage":true,"lazyload":false,"nav":null,"activeClass":"valine"},"algolia":{"hits":{"per_page":10},"labels":{"input_placeholder":"Search for Posts","hits_empty":"We didn't find any results for the search: ${query}","hits_stats":"${hits} results found in ${time} ms"}},"localsearch":{"enable":false,"trigger":"auto","top_n_per_article":1,"unescape":false,"preload":false},"motion":{"enable":true,"async":false,"transition":{"post_block":"fadeIn","post_header":"slideDownIn","post_body":"slideDownIn","coll_header":"slideLeftIn","sidebar":"slideLeftIn"}}};
  </script>

  <meta name="description" content="The blog of a middle school OIer">
<meta property="og:type" content="website">
<meta property="og:title" content="Alex&#39;s Blog">
<meta property="og:url" content="https://schtonn.github.io/archives/index.html">
<meta property="og:site_name" content="Alex&#39;s Blog">
<meta property="og:description" content="The blog of a middle school OIer">
<meta property="og:locale" content="en_US">
<meta property="article:author" content="Alex">
<meta name="twitter:card" content="summary">

<link rel="canonical" href="https://schtonn.github.io/archives/">


<script id="page-configurations">
  // https://hexo.io/docs/variables.html
  CONFIG.page = {
    sidebar: "",
    isHome : false,
    isPost : false
  };
</script>

  <title>Archive | Alex's Blog</title>
  

  <noscript>
  <style>
  .use-motion .brand,
  .use-motion .menu-item,
  .sidebar-inner,
  .use-motion .post-block,
  .use-motion .pagination,
  .use-motion .comments,
  .use-motion .post-header,
  .use-motion .post-body,
  .use-motion .collection-header { opacity: initial; }

  .use-motion .site-title,
  .use-motion .site-subtitle {
    opacity: initial;
    top: initial;
  }

  .use-motion .logo-line-before i { left: initial; }
  .use-motion .logo-line-after i { right: initial; }
  </style>
</noscript>

</head>

<body itemscope itemtype="http://schema.org/WebPage">
  <div class="container use-motion">
    <div class="headband"></div>

    <header class="header" itemscope itemtype="http://schema.org/WPHeader">
      <div class="header-inner"><div class="site-brand-container">
  <div class="site-nav-toggle">
    <div class="toggle" aria-label="Toggle navigation bar">
      <span class="toggle-line toggle-line-first"></span>
      <span class="toggle-line toggle-line-middle"></span>
      <span class="toggle-line toggle-line-last"></span>
    </div>
  </div>

  <div class="site-meta">

    <div>
      <a href="/" class="brand" rel="start">
        <span class="logo-line-before"><i></i></span>
        <span class="site-title">Alex's Blog</span>
        <span class="logo-line-after"><i></i></span>
      </a>
    </div>
        <p class="site-subtitle">Middle school OIer</p>
  </div>

  <div class="site-nav-right">
    <div class="toggle popup-trigger">
    </div>
  </div>
</div>


<nav class="site-nav">
  
  <ul id="menu" class="menu">
        <li class="menu-item menu-item-home">

    <a href="/" rel="section"><i class="fa fa-fw fa-home"></i>Home</a>

  </li>
        <li class="menu-item menu-item-tags">

    <a href="/tags/" rel="section"><i class="fa fa-fw fa-tags"></i>Tags</a>

  </li>
        <li class="menu-item menu-item-archives">

    <a href="/archives/" rel="section"><i class="fa fa-fw fa-archive"></i>Archives</a>

  </li>
        <li class="menu-item menu-item-games">

    <a href="/games/" rel="section"><i class="fa fa-fw fa-gamepad"></i>Games</a>

  </li>
        <li class="menu-item menu-item-sans">

    <a href="/sans/" rel="section"><i class="fa fa-fw fa-heart"></i>sans</a>

  </li>
  </ul>

</nav>
</div>
    </header>

    
  <div class="back-to-top">
    <i class="fa fa-arrow-up"></i>
    <span>0%</span>
  </div>
  <div class="reading-progress-bar"></div>


    <main class="main">
      <div class="main-inner">
        <div class="content-wrap">
          

          <div class="content">
            

  <div class="post-block">
    <div class="posts-collapse">
      <div class="collection-title">
        <span class="collection-header">Um..! 10 posts in total. Keep on posting.</span>
      </div>

      
    <div class="collection-year">
      <h1 class="collection-header">2020</h1>
    </div>

  <article itemscope itemtype="http://schema.org/Article">
    <header class="post-header">

      <div class="post-meta">
        <time itemprop="dateCreated"
              datetime="2020-03-21T19:20:08+08:00"
              content="2020-Mar-21">
          03-21
        </time>
      </div>

      <h2 class="post-title">
          <a class="post-title-link" href="/posts/matrix-pow/" itemprop="url">
            <span itemprop="name">矩阵快速幂运用</span>
          </a>
      </h2>

    </header>
  </article>

  <article itemscope itemtype="http://schema.org/Article">
    <header class="post-header">

      <div class="post-meta">
        <time itemprop="dateCreated"
              datetime="2020-03-04T12:53:05+08:00"
              content="2020-Mar-04">
          03-04
        </time>
      </div>

      <h2 class="post-title">
          <a class="post-title-link" href="/posts/computer/" itemprop="url">
            <span itemprop="name">How do computers work?</span>
          </a>
      </h2>

    </header>
  </article>

  <article itemscope itemtype="http://schema.org/Article">
    <header class="post-header">

      <div class="post-meta">
        <time itemprop="dateCreated"
              datetime="2020-03-02T11:37:36+08:00"
              content="2020-Mar-02">
          03-02
        </time>
      </div>

      <h2 class="post-title">
          <a class="post-title-link" href="/posts/segment-tree/" itemprop="url">
            <span itemprop="name">线段树</span>
          </a>
      </h2>

    </header>
  </article>

  <article itemscope itemtype="http://schema.org/Article">
    <header class="post-header">

      <div class="post-meta">
        <time itemprop="dateCreated"
              datetime="2020-03-02T11:35:44+08:00"
              content="2020-Mar-02">
          03-02
        </time>
      </div>

      <h2 class="post-title">
          <a class="post-title-link" href="/posts/ferbonacci/" itemprop="url">
            <span itemprop="name">斐波那契数列-O(1)</span>
          </a>
      </h2>

    </header>
  </article>

  <article itemscope itemtype="http://schema.org/Article">
    <header class="post-header">

      <div class="post-meta">
        <time itemprop="dateCreated"
              datetime="2020-03-02T11:31:22+08:00"
              content="2020-Mar-02">
          03-02
        </time>
      </div>

      <h2 class="post-title">
          <a class="post-title-link" href="/posts/dinic/" itemprop="url">
            <span itemprop="name">网络最大流-Dinic</span>
          </a>
      </h2>

    </header>
  </article>

  <article itemscope itemtype="http://schema.org/Article">
    <header class="post-header">

      <div class="post-meta">
        <time itemprop="dateCreated"
              datetime="2020-03-01T22:45:44+08:00"
              content="2020-Mar-01">
          03-01
        </time>
      </div>

      <h2 class="post-title">
          <a class="post-title-link" href="/posts/min-span-tree/" itemprop="url">
            <span itemprop="name">最小生成树</span>
          </a>
      </h2>

    </header>
  </article>

  <article itemscope itemtype="http://schema.org/Article">
    <header class="post-header">

      <div class="post-meta">
        <time itemprop="dateCreated"
              datetime="2020-03-01T22:44:33+08:00"
              content="2020-Mar-01">
          03-01
        </time>
      </div>

      <h2 class="post-title">
          <a class="post-title-link" href="/posts/union-find/" itemprop="url">
            <span itemprop="name">并查集</span>
          </a>
      </h2>

    </header>
  </article>

  <article itemscope itemtype="http://schema.org/Article">
    <header class="post-header">

      <div class="post-meta">
        <time itemprop="dateCreated"
              datetime="2020-03-01T22:41:02+08:00"
              content="2020-Mar-01">
          03-01
        </time>
      </div>

      <h2 class="post-title">
          <a class="post-title-link" href="/posts/tree-link/" itemprop="url">
            <span itemprop="name">树链剖分</span>
          </a>
      </h2>

    </header>
  </article>

  <article itemscope itemtype="http://schema.org/Article">
    <header class="post-header">

      <div class="post-meta">
        <time itemprop="dateCreated"
              datetime="2020-03-01T22:36:07+08:00"
              content="2020-Mar-01">
          03-01
        </time>
      </div>

      <h2 class="post-title">
          <a class="post-title-link" href="/posts/plan/" itemprop="url">
            <span itemprop="name">plan</span>
          </a>
      </h2>

    </header>
  </article>

  <article itemscope itemtype="http://schema.org/Article">
    <header class="post-header">

      <div class="post-meta">
        <time itemprop="dateCreated"
              datetime="2020-03-01T11:06:43+08:00"
              content="2020-Mar-01">
          03-01
        </time>
      </div>

      <h2 class="post-title">
          <a class="post-title-link" href="/posts/test/" itemprop="url">
            <span itemprop="name">test</span>
          </a>
      </h2>

    </header>
  </article>


    </div>
  </div>
  
  
          </div>
          

<script>
  window.addEventListener('tabs:register', () => {
    let activeClass = CONFIG.comments.activeClass;
    if (CONFIG.comments.storage) {
      activeClass = localStorage.getItem('comments_active') || activeClass;
    }
    if (activeClass) {
      let activeTab = document.querySelector(`a[href="#comment-${activeClass}"]`);
      if (activeTab) {
        activeTab.click();
      }
    }
  });
  if (CONFIG.comments.storage) {
    window.addEventListener('tabs:click', event => {
      if (!event.target.matches('.tabs-comment .tab-content .tab-pane')) return;
      let commentClass = event.target.classList[1];
      localStorage.setItem('comments_active', commentClass);
    });
  }
</script>

        </div>
          
  
  <div class="toggle sidebar-toggle">
    <span class="toggle-line toggle-line-first"></span>
    <span class="toggle-line toggle-line-middle"></span>
    <span class="toggle-line toggle-line-last"></span>
  </div>

  <aside class="sidebar">
    <div class="sidebar-inner">

      <ul class="sidebar-nav motion-element">
        <li class="sidebar-nav-toc">
          Table of Contents
        </li>
        <li class="sidebar-nav-overview">
          Overview
        </li>
      </ul>

      <!--noindex-->
      <div class="post-toc-wrap sidebar-panel">
      </div>
      <!--/noindex-->

      <div class="site-overview-wrap sidebar-panel">
        <div class="site-author motion-element" itemprop="author" itemscope itemtype="http://schema.org/Person">
  <p class="site-author-name" itemprop="name">Alex</p>
  <div class="site-description" itemprop="description">The blog of a middle school OIer</div>
</div>
<div class="site-state-wrap motion-element">
  <nav class="site-state">
      <div class="site-state-item site-state-posts">
          <a href="/archives">
          <span class="site-state-item-count">10</span>
          <span class="site-state-item-name">posts</span>
        </a>
      </div>
      <div class="site-state-item site-state-tags">
            <a href="/tags/">
        <span class="site-state-item-count">4</span>
        <span class="site-state-item-name">tags</span></a>
      </div>
  </nav>
</div>
  <div class="links-of-author motion-element">
      <span class="links-of-author-item">
        <a href="https://github.com/schtonn" title="GitHub → https:&#x2F;&#x2F;github.com&#x2F;schtonn" rel="noopener" target="_blank"><i class="fa fa-fw fa-github"></i>GitHub</a>
      </span>
      <span class="links-of-author-item">
        <a href="skype:alex?call|chat" title="Skype → skype:alex?call|chat" rel="noopener" target="_blank"><i class="fa fa-fw fa-skype"></i>Skype</a>
      </span>
  </div>


  <div class="links-of-blogroll motion-element">
    <div class="links-of-blogroll-title">
      <i class="fa fa-fw fa-link"></i>
      Links
    </div>
    <ul class="links-of-blogroll-list">
        <li class="links-of-blogroll-item">
          <a href="https://yonghong.github.io/" title="https:&#x2F;&#x2F;yonghong.github.io" rel="noopener" target="_blank">Yonghong</a>
        </li>
        <li class="links-of-blogroll-item">
          <a href="https://source.unsplash.com/random/1600x900" title="https:&#x2F;&#x2F;source.unsplash.com&#x2F;random&#x2F;1600x900" rel="noopener" target="_blank">Background</a>
        </li>
    </ul>
  </div>

      </div>
      <div id="treefrog" style="text-align: center;margin-top: 18px;">
        <object type="application/x-shockwave-flash" style="outline:none;" data="/js/treefrog.swf?up_bodyColor=444444&up_pattern=0&up_flyColor=777777&up_tongueColor=555555&up_patternColor=000000&up_releaseFly=0&up_frogName=Froggie&up_backgroundImage=http://&up_bellySize=.5&up_footColor=444444&up_eyeColor=444444&up_backgroundColor=222222&" width="300" height="600"><param name="movie" value="http://cdn.abowman.com/widgets/treefrog/treefrog.swf?up_bodyColor=444444&up_pattern=0&up_flyColor=777777&up_tongueColor=555555&up_patternColor=000000&up_releaseFly=0&up_frogName=Froggie&up_backgroundImage=http://&up_bellySize=.5&up_footColor=444444&up_eyeColor=444444&up_backgroundColor=222222&"></param><param name="AllowScriptAccess" value="always"></param><param name="wmode" value="opaque"></param><param name="scale" value="noscale"/><param name="salign" value="tl"/></object>
      </div>
    </div>
  </aside>
  <div id="sidebar-dimmer"></div>


      </div>
    </main>

    <footer class="footer">
      <div class="footer-inner">
        

<div class="copyright">
  
  &copy; 
  <span itemprop="copyrightYear">2020</span>
  <span class="with-love">
    <i class="fa fa-user"></i>
  </span>
  <span class="author" itemprop="copyrightHolder">Alex Xiang</span>
</div>

        
      </div>
    </footer>
  </div>

  
  <script src="/lib/anime.min.js"></script>
  <script src="//cdn.jsdelivr.net/npm/lozad@1/dist/lozad.min.js"></script>
  <script src="/lib/velocity/velocity.min.js"></script>
  <script src="/lib/velocity/velocity.ui.min.js"></script>

<script src="/js/utils.js"></script>

<script src="/js/motion.js"></script>


<script src="/js/schemes/muse.js"></script>


<script src="/js/next-boot.js"></script>


  <script>
    (function(){
      var bp = document.createElement('script');
      var curProtocol = window.location.protocol.split(':')[0];
      bp.src = (curProtocol === 'https') ? 'https://zz.bdstatic.com/linksubmit/push.js' : 'http://push.zhanzhang.baidu.com/push.js';
      var s = document.getElementsByTagName("script")[0];
      s.parentNode.insertBefore(bp, s);
    })();
  </script>


<script>
NexT.utils.loadComments(document.querySelector('#valine-comments'), () => {
  NexT.utils.getScript('//unpkg.com/valine/dist/Valine.min.js', () => {
    var GUEST = ['nick', 'mail', 'link'];
    var guest = 'nick,mail,link';
    guest = guest.split(',').filter(item => {
      return GUEST.includes(item);
    });
    new Valine({
      el         : '#valine-comments',
      verify     : true,
      notify     : true,
      appId      : 'BmologYYnRqCv0SLHDeDdA17-gzGzoHsz',
      appKey     : 'w9mVebFMdCmY6Nh9vfcBGaGt',
      placeholder: "Balabala.bibibibibibi.bopbopbibibop.barbarbababb.jaxjaxjax.dindididndi.lerblerb.pilipildde.",
      avatar     : 'mm',
      meta       : guest,
      pageSize   : '10' || 10,
      visitor    : false,
      lang       : 'en' || 'zh-cn',
      path       : location.pathname,
      recordIP   : false,
      serverURLs : ''
    });
  }, window.Valine);
});
</script>

</body>
</html>