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<!DOCTYPE html>
<html class="theme-next gemini use-motion" lang="zh-CN">
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alert('密码错误！');
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var CONFIG = {
root: '/',
scheme: 'Gemini',
version: '6.4.1',
sidebar: {"position":"left","display":"always","offset":12,"b2t":true,"scrollpercent":true,"onmobile":false},
fancybox: false,
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lazyload: false,
tabs: true,
motion: {"enable":true,"async":false,"transition":{"post_block":"flipYIn","post_header":"perspectiveDownIn","post_body":"expandIn","coll_header":"bounceDownIn","sidebar":"slideLeftIn"}},
algolia: {
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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"}
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CONFIG.page = {
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<title>Sky of war</title>
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.use-motion .motion-element,
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}
</style>
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page-home">
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<span class="logo-line-before"><i></i></span>
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<p class="site-subtitle">Beyond the spectacle of the sky</p>
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iframe教学
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<time title="创建时间：2018-09-15 22:50:00 / 修改时间：23:36:02" itemprop="dateCreated datePublished" datetime="2018-09-15T22:50:00+08:00">2018-09-15</time>
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<div class="post-body" itemprop="articleBody">
<p>百度是个好东西，可惜有些人不会用…</p>
<p>wuyudi啥问题都有，今天又遇上了一个js问题又来问我2333333</p>
<p>我js也是辣鸡啊…怎么办…当然是百度啦！</p>
<p>效果如下：</p>
<p><iframe src="https://www.netpad.net.cn/thirdInnerPad.html?id=59492#posts/59492" frameborder="0" id="demo"></iframe></p>
<script src="https://libs.baidu.com/jquery/1.9.0/jquery.min.js" type="text/javascript"></script>
<script>
$(function(){
var mobile_flag = isMobile(); // true为PC端，false为手机端
if(mobile_flag){
$("#fh5co-main").css({"width": "100%", "float": "right"});
$("#trademark").css({"margin-left": "48px","margin-top": "16px"});
}
});
function isMobile() {
var userAgentInfo = navigator.userAgent;
var mobileAgents = [ "Android", "iPhone", "SymbianOS", "Windows Phone", "iPad","iPod"];
var mobile_flag = false;
//根据userAgent判断是否是手机
for (var v = 0; v < mobileAgents.length; v++) {
if (userAgentInfo.indexOf(mobileAgents[v]) > 0) {
mobile_flag = true;
break;
}
}
var screen_width = window.screen.width;
var screen_height = window.screen.height;
//根据屏幕分辨率判断是否是手机
if(screen_width < 500 && screen_height < 800){
mobile_flag = true;
}
return mobile_flag;
}
$(document).ready(function() {
if (isMobile())
{
var ifr_width=$(document.body).width();
$("#demo").css('width',ifr_width * 0.8);
$("#demo").css('height',ifr_width * 0.45);
}
else
{
$("#demo").css('width',800);
$("#demo").css('height',450);
}
});
</script>
<p>怎么实现呢？显然我们用外接CSS的方式是非常蠢的。于是我们想到了一个方法叫做用<code>jQuery</code>。话说wuyudi搞得js比我还多居然会忘了这玩意…</p>
<p>行吧，废话就不多说了，上内嵌html代码：</p>
<p>思路就是分类讨论，因为电脑端屏幕太大，萌萌的<code>`jQuery</code>又没给出不带滚动条的solution，所以只能这样咯…..</p>
<figure class="highlight html"><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><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br></pre></td><td class="code"><pre><span class="line"><span class="tag"><<span class="name">iframe</span> <span class="attr">src</span>=<span class="string">"https://www.netpad.net.cn/thirdInnerPad.html?id=59492#posts/59492"</span> <span class="attr">frameborder</span>=<span class="string">"0"</span> <span class="attr">id</span>=<span class="string">"demo"</span>></span><span class="tag"></<span class="name">iframe</span>></span></span><br><span class="line"><span class="tag"><<span class="name">script</span> <span class="attr">src</span>=<span class="string">"https://libs.baidu.com/jquery/1.9.0/jquery.min.js"</span> <span class="attr">type</span>=<span class="string">"text/javascript"</span>></span><span class="undefined"></span><span class="tag"></<span class="name">script</span>></span></span><br><span class="line"><span class="tag"><<span class="name">script</span>></span><span class="undefined"></span></span><br><span class="line"><span class="undefined"></span></span><br><span class="line"><span class="undefined">$(function(){</span></span><br><span class="line"><span class="undefined"> var mobile_flag = isMobile(); // true为PC端，false为手机端</span></span><br><span class="line"><span class="undefined"></span></span><br><span class="line"><span class="undefined"> if(mobile_flag){</span></span><br><span class="line"><span class="undefined"> $("#fh5co-main").css({"width": "100%", "float": "right"});</span></span><br><span class="line"><span class="undefined"> $("#trademark").css({"margin-left": "48px","margin-top": "16px"});</span></span><br><span class="line"><span class="undefined"> }</span></span><br><span class="line"><span class="undefined">});</span></span><br><span class="line"><span class="undefined">function isMobile() {</span></span><br><span class="line"><span class="undefined"> var userAgentInfo = navigator.userAgent;</span></span><br><span class="line"><span class="undefined"></span></span><br><span class="line"><span class="undefined"> var mobileAgents = [ "Android", "iPhone", "SymbianOS", "Windows Phone", "iPad","iPod"];</span></span><br><span class="line"><span class="undefined"> </span></span><br><span class="line"><span class="undefined"> var mobile_flag = false;</span></span><br><span class="line"><span class="undefined"> </span></span><br><span class="line"><span class="undefined"> //根据userAgent判断是否是手机</span></span><br><span class="line"><span class="undefined"> for (var v = 0; v < mobileAgents.length; v++) {</span></span><br><span class="line"><span class="undefined"> if (userAgentInfo.indexOf(mobileAgents[v]) > 0) {</span></span><br><span class="line"><span class="undefined"> mobile_flag = true;</span></span><br><span class="line"><span class="undefined"> break;</span></span><br><span class="line"><span class="undefined"> }</span></span><br><span class="line"><span class="undefined"> }</span></span><br><span class="line"><span class="undefined"> var screen_width = window.screen.width;</span></span><br><span class="line"><span class="undefined"> var screen_height = window.screen.height; </span></span><br><span class="line"><span class="undefined"> </span></span><br><span class="line"><span class="undefined"> //根据屏幕分辨率判断是否是手机</span></span><br><span class="line"><span class="undefined"> if(screen_width < 500 && screen_height < 800){</span></span><br><span class="line"><span class="undefined"> mobile_flag = true;</span></span><br><span class="line"><span class="undefined"> }</span></span><br><span class="line"><span class="undefined"> </span></span><br><span class="line"><span class="undefined"> return mobile_flag;</span></span><br><span class="line"><span class="undefined">}</span></span><br><span class="line"><span class="undefined">$(document).ready(function() {</span></span><br><span class="line"><span class="undefined"> if (isMobile())</span></span><br><span class="line"><span class="undefined"> {</span></span><br><span class="line"><span class="undefined"> var ifr_width=$(document.body).width();</span></span><br><span class="line"><span class="undefined"> $("#demo").css('width',ifr_width * 0.8);</span></span><br><span class="line"><span class="undefined"> $("#demo").css('height',ifr_width * 0.45);</span></span><br><span class="line"><span class="undefined"> }</span></span><br><span class="line"><span class="undefined"> else</span></span><br><span class="line"><span class="undefined"> {</span></span><br><span class="line"><span class="undefined"> $("#demo").css('width',800);</span></span><br><span class="line"><span class="undefined"> $("#demo").css('height',450);</span></span><br><span class="line"><span class="undefined"> }</span></span><br><span class="line"><span class="undefined">});</span></span><br><span class="line"><span class="undefined"></span></span><br><span class="line"><span class="undefined"></span><span class="tag"></<span class="name">script</span>></span></span><br></pre></td></tr></table></figure>
<p><strong>注意在打typora的时候千万不要让你的js代码前面出现红点，要记得把红点删掉！这个东西坑了我两分钟！</strong></p>
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『ARC 098D』Xor Sum 2
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<h1 id="Problem"><a href="#Problem" class="headerlink" title="Problem"></a>Problem</h1><p>Time limit : 2sec / Memory limit : 256MB</p>
<p>题意：</p>
<p>给定一个数组，求有多少个子序列满足$\displaystyle A_l \oplus A_{l+1} \oplus \dots\oplus A_r=\sum_{i=l}^{r} A_i$</p>
<p><a href="https://arc098.contest.atcoder.jp/tasks/arc098_b" target="_blank" rel="noopener">door♂</a></p>
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<h1 id="Problem"><a href="#Problem" class="headerlink" title="Problem"></a>Problem</h1><p>Time limit : 3sec / Memory limit : 256MB</p>
<p>题意：</p>
<p>有$m$个点围成一个圈，按顺时针编号为$1$到$m$，一开始可以固定一个位置$x$，每次操作可以往顺时针方向走一步或直接走到$x$。现在给出$n$个位置$a_{1…n}$，初始时在$a_1$，第$i$次要从$a_i$走到$a_{i+1}$，在$x$可以任意选择的情况下使总步数最小</p>
<p><a href="https://arc077.contest.atcoder.jp/tasks/arc077_c" target="_blank" rel="noopener">door♂</a></p>
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