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<!DOCTYPE html>
<html>
<head><meta name="generator" content="Hexo 3.9.0">
<meta charset="utf-8">
<meta name="renderer" content="webkit">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<link rel="dns-prefetch" href="http://coderLCJ.github.io">
<title>Laity's world</title>
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<meta name="description" content="Laity">
<meta property="og:type" content="website">
<meta property="og:title" content="Laity's world">
<meta property="og:url" content="http://coderLCJ.github.io/index.html">
<meta property="og:site_name" content="Laity's world">
<meta property="og:description" content="Laity">
<meta property="og:locale" content="zh-CN">
<meta name="twitter:card" content="summary">
<meta name="twitter:title" content="Laity's world">
<meta name="twitter:description" content="Laity">
<link rel="alternative" href="/atom.xml" title="Laity's world" type="application/atom+xml">
<link rel="icon" href="/img/favicon.ico">
<link rel="stylesheet" type="text/css" href="/./main.0cf68a.css">
<style type="text/css">
#container.show {
background: linear-gradient(200deg,#a0cfe4,#e8c37e);
}
</style>
</head>
</html>
<body>
<div id="container" q-class="show:isCtnShow">
<canvas id="anm-canvas" class="anm-canvas"></canvas>
<div class="left-col" q-class="show:isShow">
<div class="overlay" style="background: #1E90FF"></div>
<div class="intrude-less">
<header id="header" class="inner">
<a href="/" class="profilepic">
<img src="/assets/touxiang.jpg" class="js-avatar show">
</a>
<hgroup>
<h1 class="header-author"><a href="/">Laity</a></h1>
</hgroup>
<p class="header-subtitle">不忘初心,方得始终</p>
<nav class="header-menu">
<ul>
<li><a href="/">主页</a></li>
<li><a href="/archives/index.html">目录</a></li>
</ul>
</nav>
<nav class="header-smart-menu">
<a q-on="click: openSlider(e, 'innerArchive')" href="javascript:void(0)">所有文章</a>
<a q-on="click: openSlider(e, 'friends')" href="javascript:void(0)">友链</a>
<a q-on="click: openSlider(e, 'aboutme')" href="javascript:void(0)">关于我</a>
</nav>
<nav class="header-nav">
<div class="social">
<a class="github" target="_blank" href="https://github.com/coderLCJ" title="github"><i class="icon-github"></i></a>
<a class="weixin" target="_blank" href="/assets/wxin.png" title="weixin"><i class="icon-weixin"></i></a>
<a class="qq" target="_blank" href="/assets/qq.jpg" title="qq"><i class="icon-qq"></i></a>
<a class="mail" target="_blank" href="/2907805535@qq.com" title="mail"><i class="icon-mail"></i></a>
<a class="facebook" target="_blank" href="#" title="facebook"><i class="icon-facebook"></i></a>
</div>
</nav>
</header>
</div>
</div>
<div class="mid-col" q-class="show:isShow,hide:isShow|isFalse">
<nav id="mobile-nav">
<div class="overlay js-overlay" style="background: #1E90FF"></div>
<div class="btnctn js-mobile-btnctn">
<div class="slider-trigger list" q-on="click: openSlider(e)"><i class="icon icon-sort"></i></div>
</div>
<div class="intrude-less">
<header id="header" class="inner">
<div class="profilepic">
<img src="/assets/touxiang.jpg" class="js-avatar">
</div>
<hgroup>
<h1 class="header-author js-header-author">Laity</h1>
</hgroup>
<p class="header-subtitle"><i class="icon icon-quo-left"></i>不忘初心,方得始终<i class="icon icon-quo-right"></i></p>
<nav class="header-nav">
<div class="social">
<a class="github" target="_blank" href="https://github.com/coderLCJ" title="github"><i class="icon-github"></i></a>
<a class="weixin" target="_blank" href="/assets/wxin.png" title="weixin"><i class="icon-weixin"></i></a>
<a class="qq" target="_blank" href="/assets/qq.jpg" title="qq"><i class="icon-qq"></i></a>
<a class="mail" target="_blank" href="/2907805535@qq.com" title="mail"><i class="icon-mail"></i></a>
<a class="facebook" target="_blank" href="#" title="facebook"><i class="icon-facebook"></i></a>
</div>
</nav>
<nav class="header-menu js-header-menu">
<ul style="width: 50%">
<li style="width: 50%"><a href="/">主页</a></li>
<li style="width: 50%"><a href="/archives/index.html">目录</a></li>
</ul>
</nav>
</header>
</div>
<div class="mobile-mask" style="display:none" q-show="isShow"></div>
</nav>
<div id="wrapper" class="body-wrap">
<div class="menu-l">
<div class="canvas-wrap">
<canvas data-colors="#eaeaea" data-sectionHeight="100" data-contentId="js-content" id="myCanvas1" class="anm-canvas"></canvas>
</div>
<div id="js-content" class="content-ll">
<article id="post-在另一台PC使用hexo写博客" class="article article-type-post article-index" itemscope itemprop="blogPost">
<div class="article-inner">
<header class="article-header">
<h1 itemprop="name">
<a class="article-title" href="/2019/11/12/在另一台PC使用hexo写博客/">在另一台PC上使用hexo</a>
</h1>
<a href="/2019/11/12/在另一台PC使用hexo写博客/" class="archive-article-date">
<time datetime="2019-11-12T10:29:24.000Z" itemprop="datePublished"><i class="icon-calendar icon"></i>2019-11-12</time>
</a>
</header>
<div class="article-entry" itemprop="articleBody">
<h3>适用于重装系统或更换PC</h3>
<p><strong>Step1</strong><br>将Blog文件备份到Github或者U盘上(<em>_config.yml,theme,source,scaffolds,package.json,.gitignore</em>必须包含)。<br><strong>Step2</strong><br>搭建本地操作环境,安装 Node.js 和 Git。<br>连接Github:<br><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">git config --global user.name "GitHub 用户名" </span><br><span class="line">git config --global user.email "GitHub 邮箱"</span><br></pre></td></tr></table></figure></p>
<a class="article-more-a" href="/2019/11/12/在另一台PC使用hexo写博客/#more">更多 >></a>
</div>
<div class="article-info article-info-index">
<div class="article-tag tagcloud">
<i class="icon-price-tags icon"></i>
<ul class="article-tag-list">
<li class="article-tag-list-item">
<a href="javascript:void(0)" class="js-tag article-tag-list-link color5">hexo</a>
</li>
</ul>
</div>
<p class="article-more-link">
<a class="article-more-a" href="/2019/11/12/在另一台PC使用hexo写博客/">展开全文 >></a>
</p>
<div class="clearfix"></div>
</div>
</div>
</article>
<aside class="wrap-side-operation">
<div class="mod-side-operation">
<div class="jump-container" id="js-jump-container" style="display:none;">
<a href="javascript:void(0)" class="mod-side-operation__jump-to-top">
<i class="icon-font icon-back"></i>
</a>
<div id="js-jump-plan-container" class="jump-plan-container" style="top: -11px;">
<i class="icon-font icon-plane jump-plane"></i>
</div>
</div>
</div>
</aside>
<article id="post-页面置换算法" class="article article-type-post article-index" itemscope itemprop="blogPost">
<div class="article-inner">
<header class="article-header">
<h1 itemprop="name">
<a class="article-title" href="/2019/11/09/页面置换算法/">页面置换算法</a>
</h1>
<a href="/2019/11/09/页面置换算法/" class="archive-article-date">
<time datetime="2019-11-09T10:59:15.000Z" itemprop="datePublished"><i class="icon-calendar icon"></i>2019-11-09</time>
</a>
</header>
<div class="article-entry" itemprop="articleBody">
<h3>操作系统实验</h3>
<p><strong>内容:c++模拟操作系统中以下常见的五种页面置换算法:</strong> </p>
<ol>
<li>先进先出算法(FIFO) </li>
<li>最近最久未使用算法(LRU) </li>
<li>最近最不常用算法(LFU) </li>
<li>二次机会算法(SC) </li>
<li>最佳置换算法(OPT) </li>
</ol>
<p><strong>代码实现:</strong></p>
<a class="article-more-a" href="/2019/11/09/页面置换算法/#more">更多 >></a>
</div>
<div class="article-info article-info-index">
<div class="article-tag tagcloud">
<i class="icon-price-tags icon"></i>
<ul class="article-tag-list">
<li class="article-tag-list-item">
<a href="javascript:void(0)" class="js-tag article-tag-list-link color4">c++</a>
</li>
<li class="article-tag-list-item">
<a href="javascript:void(0)" class="js-tag article-tag-list-link color3">os</a>
</li>
</ul>
</div>
<p class="article-more-link">
<a class="article-more-a" href="/2019/11/09/页面置换算法/">展开全文 >></a>
</p>
<div class="clearfix"></div>
</div>
</div>
</article>
<aside class="wrap-side-operation">
<div class="mod-side-operation">
<div class="jump-container" id="js-jump-container" style="display:none;">
<a href="javascript:void(0)" class="mod-side-operation__jump-to-top">
<i class="icon-font icon-back"></i>
</a>
<div id="js-jump-plan-container" class="jump-plan-container" style="top: -11px;">
<i class="icon-font icon-plane jump-plane"></i>
</div>
</div>
</div>
</aside>
<article id="post-ICPC银川站" class="article article-type-post article-index" itemscope itemprop="blogPost">
<div class="article-inner">
<header class="article-header">
<h1 itemprop="name">
<a class="article-title" href="/2019/10/20/ICPC银川站/">ACM/ICPC区域赛银川站</a>
</h1>
<a href="/2019/10/20/ICPC银川站/" class="archive-article-date">
<time datetime="2019-10-20T11:38:16.000Z" itemprop="datePublished"><i class="icon-calendar icon"></i>2019-10-20</time>
</a>
</header>
<div class="article-entry" itemprop="articleBody">
<h3></h3>
<p><img src="/2019/10/20/ICPC银川站/1.jpg" alt="icpc"><br>人生中第一块ICPC的牌,虽然是铜,但已经是我校ACM队的最高突破了,毕竟和清华北大等强校的差距摆在那里。比赛总体来说有点没把握好开题顺序,可能会有冲银的希望,也不知道大四还有没有机会去一场CCPC或者ICPC拿个更好的成绩,当然希望有更强的学弟学妹们能替学校出战,争取来年能取得更高的突破。<br></p>
<a class="article-more-a" href="/2019/10/20/ICPC银川站/#more">更多 >></a>
</div>
<div class="article-info article-info-index">
<div class="article-tag tagcloud">
<i class="icon-price-tags icon"></i>
<ul class="article-tag-list">
<li class="article-tag-list-item">
<a href="javascript:void(0)" class="js-tag article-tag-list-link color4">ACM</a>
</li>
<li class="article-tag-list-item">
<a href="javascript:void(0)" class="js-tag article-tag-list-link color3">随笔</a>
</li>
</ul>
</div>
<p class="article-more-link">
<a class="article-more-a" href="/2019/10/20/ICPC银川站/">展开全文 >></a>
</p>
<div class="clearfix"></div>
</div>
</div>
</article>
<aside class="wrap-side-operation">
<div class="mod-side-operation">
<div class="jump-container" id="js-jump-container" style="display:none;">
<a href="javascript:void(0)" class="mod-side-operation__jump-to-top">
<i class="icon-font icon-back"></i>
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<div id="js-jump-plan-container" class="jump-plan-container" style="top: -11px;">
<i class="icon-font icon-plane jump-plane"></i>
</div>
</div>
</div>
</aside>
<article id="post-FCFS算法" class="article article-type-post article-index" itemscope itemprop="blogPost">
<div class="article-inner">
<header class="article-header">
<h1 itemprop="name">
<a class="article-title" href="/2019/10/14/FCFS算法/">进程调度</a>
</h1>
<a href="/2019/10/14/FCFS算法/" class="archive-article-date">
<time datetime="2019-10-14T11:36:53.000Z" itemprop="datePublished"><i class="icon-calendar icon"></i>2019-10-14</time>
</a>
</header>
<div class="article-entry" itemprop="articleBody">
<h3>FCFS && SJF && HRN</h3>
<p><img src="/2019/10/14/FCFS算法/FCFS.png" alt="FCFS"><br><strong>步骤</strong><br>1.FCFS按时间,SJF按Job大小,HRN按响应比,调用sort对结构体排序后依次调度即可,代码较为简单,给出FCFS的代码。<br></p>
<a class="article-more-a" href="/2019/10/14/FCFS算法/#more">更多 >></a>
</div>
<div class="article-info article-info-index">
<div class="article-tag tagcloud">
<i class="icon-price-tags icon"></i>
<ul class="article-tag-list">
<li class="article-tag-list-item">
<a href="javascript:void(0)" class="js-tag article-tag-list-link color4">c++</a>
</li>
<li class="article-tag-list-item">
<a href="javascript:void(0)" class="js-tag article-tag-list-link color3">os</a>
</li>
</ul>
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<a class="article-title" href="/2019/10/07/c-模拟dos命令mkdir/">C++模拟实现DOS命令功能</a>
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<h3>mkdir(新建目录) </h3>
<p><strong>步骤</strong><br>1.拆分输入命令字符串,检测命令合法性<br>2.检测是否为多级目录,是则调用多级函数创建<br>3.判断是否创建成功,输出结果(检测重复命名或目录名合法)<br></p>
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<a class="article-title" href="/2019/09/01/git常用基本操作/">git常用基本命令</a>
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<time datetime="2019-09-01T01:53:30.000Z" itemprop="datePublished"><i class="icon-calendar icon"></i>2019-09-01</time>
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<h3>添加文件</h3>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br></pre></td><td class="code"><pre><span class="line">git init</span><br><span class="line">git clone url</span><br><span class="line">git add .</span><br><span class="line">git commit -m '注释'</span><br><span class="line">git remote add origin url (如果已经push过就可以省略此步骤)</span><br><span class="line">git push</span><br></pre></td></tr></table></figure>
<h3>删除文件</h3>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line">git rm 文件</span><br><span class="line">git rm -r 文件夹 (-r表示递归所有的文件)</span><br><span class="line">git commit -m '删除文件'</span><br><span class="line">git push (git push origin url)</span><br></pre></td></tr></table></figure>
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<a class="article-title" href="/2019/06/22/Codeforces-Round-569-Div-2/">Codeforces Round #569 (Div. 2)</a>
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<h3>A. Alex and a Rhombus</h3>
<p><strong>Description</strong><br>While playing with geometric figures Alex has accidentally invented a concept of a n-th order rhombus in a cell grid.A 1-st order rhombus is just a square 1×1 (i.e just a cell).A n-th order rhombus for all n≥2 one obtains from a n−1-th order rhombus adding all cells which have a common side with it to it (look at the picture to understand it better).<br><img src="/2019/06/22/Codeforces-Round-569-Div-2/A.png" alt="problem"><br>Alex asks you to compute the number of cells in a n-th order rhombus.</p>
<p><strong>Input</strong><br>The first and only input line contains integer n (1≤n≤100) — order of a rhombus whose numbers of cells should be computed.</p>
<p><strong>Output</strong><br>Print exactly one integer — the number of cells in a n-th order rhombus. </p>
<p>分析:签到题,简单的找规律,容易发现第N项等于(N-1)项加上(N-1)*4,所以直接循环求出第N项即可</p>
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<a class="article-title" href="/2019/06/06/微信定时发送消息/">python3+pyqt5+itchat微信定时发送消息</a>
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<h3>运行环境</h3>
<p>python 3.x,不支持python2 </p>
<h3>准备</h3>
<p>引入itchat,界面使用pyqt5<br>安装命令如下:</p>
<blockquote>
<p>pip install PyQt5<br>pip install itchat</p></blockquote>
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<a class="article-title" href="/2019/04/21/校赛总结/">2019ACM校赛心得总结</a>
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<iframe frameborder="no" border="0" marginwidth="0" marginheight="0" width="332" height="86" src="//music.163.com/outchain/player?type=2&id=25706282&auto=0&height=66"></iframe>
<p>这几天一直没时间写博客,一是在学前端,二是在准备校赛。今天总算是把校赛比完了,最后结果还行,相比去年有了进步。在这之前我一直处于很焦虑的状态,因为死盯着算法、竞赛而不去尝试做一些项目,让我感觉很枯燥、无聊,感觉自己没什么作品,于是在网上查资料,自己搭建了一个网站,并且在<a href="https://www.freecodecamp.cn/" target="_blank" rel="noopener">FCC</a>上刷前端知识(主要是h5,css,js),也尝试做了一些微信小程序,这些都让我觉得充实了很多,于是我把ACM放在了一边,这就导致我进入了焦虑状态。原因也很明显,我不想放弃ACM,毕竟是我坚持了这么久的爱好。</p>
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<a class="article-title" href="/2019/04/04/基于MFC的校园地图/">基于MFC的校园地图</a>
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<p><img src="/2019/04/04/基于MFC的校园地图/运行结果.jpg" alt="运行结果"><br>大二上学期数据结构的课程设计题目之一,正好这学期有计算机图形学这门课,将进一步学习MFC,所以拿出来回顾一遍。这个校园地图也算自己做的第一个有实际用途的exe了吧,本身用到MFC的函数并不多,只在绘制路线的时候用到几个,大部分都是数据结构的知识。</p>
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