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Domain > cdn1.liuchuo.net
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AlienVault OTX
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DNS Resolutions
Date
IP Address
2021-03-12
124.225.167.200
(
ClassC
)
2021-03-12
124.225.167.229
(
ClassC
)
2024-06-13
110.40.32.156
(
ClassC
)
Port 80
HTTP/1.1 301 Moved PermanentlyServer: openrestyDate: Thu, 13 Jun 2024 03:16:39 GMTContent-Type: text/htmlContent-Length: 166Connection: keep-aliveLocation: https://cdn1.liuchuo.net/ html>head>title>301 Moved Permanently/title>/head>body>center>h1>301 Moved Permanently/h1>/center>hr>center>openresty/center>/body>/html>
Port 443
HTTP/1.1 200 OKServer: openrestyDate: Thu, 13 Jun 2024 03:16:40 GMTContent-Type: text/html; charsetUTF-8Content-Length: 38258Connection: keep-aliveAccept-Ranges: bytesAccess-Control-Allow-Origin: *Access-Control-Expose-Headers: X-Log, X-ReqidAccess-Control-Max-Age: 2592000Age: 188402Cache-Control: public, max-age31536000Content-Disposition: inline; filename; filename*utf-8Content-Transfer-Encoding: binaryEtag: Fq3jqoRoTPX71kMxY6WIwWYQBEChLast-Modified: Sat, 19 Mar 2016 15:24:53 GMTVary: Accept-EncodingX-Log: X-LogX-M-Log: QNM:cdn-cache-dls-hbsjz1-sjz-1;QNM3X-M-Reqid: cP6fWCJ3OX-Qiniu-Zone: 0X-Qnm-Cache: HitX-Reqid: BsoAAABZW_GlxtcXX-Svr: IO !DOCTYPE html>html langzh-CN classno-js>head> img src/favicon.ico> meta charsetUTF-8> meta nameviewport contentwidthdevice-width> link relprofile hrefhttp://gmpg.org/xfn/11> link relpingback hrefhttp://www.liuchuo.net/xmlrpc.php> !--if lt IE 9> script srchttp://www.liuchuo.net/wp-content/themes/twentyfifteen/js/html5.js>/script> !endif--> script>(function(html){html.className html.className.replace(/\bno-js\b/,js)})(document.documentElement);/script>title>柳婼 の blog – 我不管,反正我最萌。◕‿◕。/title>link relalternate typeapplication/rss+xml title柳婼 の blog » Feed hrefhttp://www.liuchuo.net/?feedrss2 />link relalternate typeapplication/rss+xml title柳婼 の blog » 评论Feed hrefhttp://www.liuchuo.net/?feedcomments-rss2 /> script typetext/javascript> window._wpemojiSettings {baseUrl:https:\/\/s.w.org\/images\/core\/emoji\/72x72\/,ext:.png,source:{concatemoji:http:\/\/www.liuchuo.net\/wp-includes\/js\/wp-emoji-release.min.js?ver4.4.2}}; !function(a,b,c){function d(a){var c,db.createElement(canvas),ed.getContext&&d.getContext(2d),fString.fromCharCode;return e&&e.fillText?(e.textBaselinetop,e.font600 32px 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hrefhttps://fonts.googleapis.com/css?familyNoto+Sans%3A400italic%2C700italic%2C400%2C700%7CNoto+Serif%3A400italic%2C700italic%2C400%2C700%7CInconsolata%3A400%2C700&subsetlatin%2Clatin-ext typetext/css mediaall />link relstylesheet idgenericons-css hrefhttp://www.liuchuo.net/wp-content/themes/twentyfifteen/genericons/genericons.css?ver3.2 typetext/css mediaall />link relstylesheet idtwentyfifteen-style-css hrefhttp://www.liuchuo.net/wp-content/themes/twentyfifteen/style.css?ver4.4.2 typetext/css mediaall />style idtwentyfifteen-style-inline-css typetext/css> /* Color Scheme */ /* Background Color */ body { background-color: #ffe5d1; } /* Sidebar Background Color */ body:before, .site-header { background-color: #e53b51; } /* Box Background Color */ .post-navigation, .pagination, .secondary, .site-footer, .hentry, .page-header, .page-content, .comments-area, .widecolumn { background-color: #ffffff; } /* Box Background Color */ button, inputtypebutton, inputtypereset, inputtypesubmit, 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border-color: rgba( 0, 191, 255, 0.1); } .dropdown-toggle:hover, .dropdown-toggle:focus, .widget hr { background-color: rgba( 0, 191, 255, 0.1); } .widget input:focus, .widget textarea:focus { border-color: rgba( 0, 191, 255, 0.3); } .sidebar a:focus, .dropdown-toggle:focus { outline-color: rgba( 0, 191, 255, 0.3); } } /style>!--if lt IE 9>link relstylesheet idtwentyfifteen-ie-css hrefhttp://www.liuchuo.net/wp-content/themes/twentyfifteen/css/ie.css?ver20141010 typetext/css mediaall />!endif-->!--if lt IE 8>link relstylesheet idtwentyfifteen-ie7-css hrefhttp://www.liuchuo.net/wp-content/themes/twentyfifteen/css/ie7.css?ver20141010 typetext/css mediaall />!endif-->script typetext/javascript src//dn-staticfile.qbox.me/jquery/1.11.1/jquery.min.js?ver1.10.2>/script>script typetext/javascript src//dn-staticfile.qbox.me/jquery-migrate/1.2.1/jquery-migrate.min.js?ver1.2.1>/script>link relhttps://api.w.org/ hrefhttp://www.liuchuo.net/?rest_route/ />link relEditURI typeapplication/rsd+xml 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title3个话题 stylefont-size: 10.7096774194pt;>文艺/a>a hrefhttp://www.liuchuo.net/?tag%e6%a2%a6%e6%83%b3 classtag-link-41 title1个话题 stylefont-size: 8pt;>梦想/a>a hrefhttp://www.liuchuo.net/?tag%e7%8b%ac%e7%ab%8b%e5%a7%91%e5%a8%98 classtag-link-15 title2个话题 stylefont-size: 9.62580645161pt;>独立姑娘/a>a hrefhttp://www.liuchuo.net/?tag%e7%9f%a5%e8%af%86%e7%82%b9%e6%95%b4%e7%90%86 classtag-link-18 title1个话题 stylefont-size: 8pt;>知识点整理/a>a hrefhttp://www.liuchuo.net/?tag%e7%a7%91%e6%99%ae classtag-link-22 title3个话题 stylefont-size: 10.7096774194pt;>科普/a>a hrefhttp://www.liuchuo.net/?tag%e7%ae%97%e6%b3%95 classtag-link-24 title69个话题 stylefont-size: 22pt;>算法/a>a hrefhttp://www.liuchuo.net/?tag%e7%bc%96%e7%a8%8b classtag-link-37 title5个话题 stylefont-size: 12.335483871pt;>编程/a>a hrefhttp://www.liuchuo.net/?tag%e8%87%aa%e6%88%91%e7%ae%a1%e7%90%86 classtag-link-30 title2个话题 stylefont-size: 9.62580645161pt;>自我管理/a>a hrefhttp://www.liuchuo.net/?tag%e8%93%9d%e6%a1%a5%e6%9d%af classtag-link-44 title7个话题 stylefont-size: 13.4193548387pt;>蓝桥杯/a>a hrefhttp://www.liuchuo.net/?tag%e9%87%8f%e5%ad%90%e5%8a%9b%e5%ad%a6 classtag-link-16 title1个话题 stylefont-size: 8pt;>量子力学/a>/div>/aside>aside idsearch-3 classwidget widget_search>form rolesearch methodget classsearch-form actionhttp://www.liuchuo.net/> label> span classscreen-reader-text>搜索:/span> input typesearch classsearch-field placeholder搜索… value names title搜索: /> /label> input typesubmit classsearch-submit screen-reader-text value搜索 /> /form>/aside> /div>!-- .widget-area --> /div>!-- .secondary --> /div>!-- .sidebar --> div idcontent classsite-content> div idprimary classcontent-area> main idmain classsite-main rolemain> article idpost-645 classpost-645 post type-post status-publish format-standard hentry category-code tag-poj> header classentry-header> h2 classentry-title>a hrefhttp://www.liuchuo.net/?p645 relbookmark>为什么要对1000000007取模/a>/h2> /header>!-- .entry-header --> div classentry-content> pre>大数阶乘,大数的排列组合等,一般都要求将输出结果对1000000007取模为什么总是1000000007呢 大概是因为:1.1000000007是一个质数2.int32位的最大值为2147483647,所以对于int32位来说1000000007足够大3.int64位的最大值为2^63-1,对于1000000007来说它的平方不会在int64中溢出所以在大数相乘的时候,因为(a∗b)%c((a%c)∗(b%c))%c,所以相乘时两边都对1000000007取模,再保存在int64里面不会溢出。◕‿◕。/pre> /div>!-- .entry-content --> footer classentry-footer> span classposted-on>span classscreen-reader-text>发布于 /span>a hrefhttp://www.liuchuo.net/?p645 relbookmark>time classentry-date published updated datetime2016-03-19T17:05:04+00:00>2016年3月19日/time>/a>/span>span classcat-links>span classscreen-reader-text>分类 /span>a hrefhttp://www.liuchuo.net/?cat8 relcategory>Code/a>/span>span classtags-links>span classscreen-reader-text>标签 /span>a hrefhttp://www.liuchuo.net/?tagpoj reltag>POJ/a>/span>span classcomments-link>a hrefhttp://www.liuchuo.net/?p645#respond>span classscreen-reader-text>于为什么要对1000000007取模/span>留下评论/a>/span> /footer>!-- .entry-footer -->/article>!-- #post-## -->article idpost-641 classpost-641 post type-post status-publish format-standard hentry category-code tag-oj tag-24 tag-44> header classentry-header> h2 classentry-title>a hrefhttp://www.liuchuo.net/?p641 relbookmark>蓝桥杯历届试题-六角填数(12)/a>/h2> /header>!-- .entry-header --> div classentry-content> p>img classalignnone size-full wp-image-642 srchttp://www.liuchuo.net/wp-content/uploads/2016/03/Snip20160318_79.png altSnip20160318_79 width704 height658 srcsethttp://www.liuchuo.net/wp-content/uploads/2016/03/Snip20160318_79-300x280.png 300w, http://www.liuchuo.net/wp-content/uploads/2016/03/Snip20160318_79.png 704w sizes(max-width: 704px) 100vw, 704px />/p>p> /p>pre>// 第7题:六角填数(12)// 如图所示六角形中,填入1~12的数字。// 使得每条直线上的数字之和都相同。// 图中,已经替你填好了3个数字,请你计算星号位置所代表的数字是多少?// 请通过浏览器提交答案,不要填写多余的内容。answer:10标记从上到下从左到右为1~12#include <iostream>using namespace std;int book13; //标记1~12有没有被使用过int a13; //标记12个位置所对应的数int line6;void dfs(int x) { int i; //如果是已经填了数的那个,就直接跳过搜索下一个 if(x 1 || x 2 || x 12) { dfs(x + 1); return ; } //如果12个已经填满了,就判断是否满足每一条线上的都相等 if(x > 12) { line0 a1 + a3 + a6 + a8; line1 a1 + a4 + a7 + a11; line2 a8 + a9 + a10 + a11; line3 a2 + a3 + a4 + a5; line4 a2 + a6 + a9 + a12; line5 a5 + a7 + a10 + a12; //判断是否两两相等,只要一层循环就好了 //如果不相等,就直接return,说明这种情况不符合 for(i 1; i < 5; i++) { if(linei ! linei - 1) return ; } //如果都满足,则输出a6的值 cout << a6 << endl; return ; } //从数字1到数字12,看有没有没填过的数字,没有填过就填入当前空格 for(i 1; i < 12; i++) { if(booki 0) { booki 1; ax i; //填入后就填下一个数字 dfs(x + 1); booki 0; } }}int main() { //根据题意初始化值 book1 1; book3 1; book8 1; a1 1; a2 8; a12 3; dfs(1); return 0;}/pre> /div>!-- .entry-content --> footer classentry-footer> span classposted-on>span classscreen-reader-text>发布于 /span>a hrefhttp://www.liuchuo.net/?p641 relbookmark>time classentry-date published datetime2016-03-18T20:19:39+00:00>2016年3月18日/time>time classupdated datetime2016-03-18T20:19:52+00:00>2016年3月18日/time>/a>/span>span classcat-links>span classscreen-reader-text>分类 /span>a hrefhttp://www.liuchuo.net/?cat8 relcategory>Code/a>/span>span classtags-links>span classscreen-reader-text>标签 /span>a hrefhttp://www.liuchuo.net/?tagoj reltag>OJ/a>、a hrefhttp://www.liuchuo.net/?tag%e7%ae%97%e6%b3%95 reltag>算法/a>、a hrefhttp://www.liuchuo.net/?tag%e8%93%9d%e6%a1%a5%e6%9d%af reltag>蓝桥杯/a>/span>span classcomments-link>a hrefhttp://www.liuchuo.net/?p641#respond>span classscreen-reader-text>于蓝桥杯历届试题-六角填数(12)/span>留下评论/a>/span> /footer>!-- .entry-footer -->/article>!-- #post-## -->article idpost-638 classpost-638 post type-post status-publish format-standard hentry category-code tag-c> header classentry-header> h2 classentry-title>a hrefhttp://www.liuchuo.net/?p638 relbookmark>c++ string 末尾追加char字符/a>/h2> /header>!-- .entry-header --> div classentry-content> pre classp1>span classs1>如果想在string s末尾追加abcs s + /span>span classs2>a/span>span classs1> + /span>span classs2>b + c/span>span classs1>; //这样写是可以的s + a + b + c; //这样写是不对的所以追加单个字符 可以一个个加 也可以用第一种方式一次性加。但不可以像第二种一样 /span>/pre>p classp1> /div>!-- .entry-content --> footer classentry-footer> span classposted-on>span classscreen-reader-text>发布于 /span>a hrefhttp://www.liuchuo.net/?p638 relbookmark>time classentry-date published datetime2016-03-18T19:50:12+00:00>2016年3月18日/time>time classupdated datetime2016-03-18T19:50:27+00:00>2016年3月18日/time>/a>/span>span classcat-links>span classscreen-reader-text>分类 /span>a hrefhttp://www.liuchuo.net/?cat8 relcategory>Code/a>/span>span classtags-links>span classscreen-reader-text>标签 /span>a hrefhttp://www.liuchuo.net/?tagc reltag>C++/a>/span>span classcomments-link>a hrefhttp://www.liuchuo.net/?p638#respond>span classscreen-reader-text>于c++ string 末尾追加char字符/span>留下评论/a>/span> /footer>!-- .entry-footer -->/article>!-- #post-## -->article idpost-632 classpost-632 post type-post status-publish format-standard hentry category-code tag-c tag-oj tag-24> header classentry-header> h2 classentry-title>a hrefhttp://www.liuchuo.net/?p632 relbookmark>#论char数组结尾’\0’的必要性#/a>/h2> /header>!-- .entry-header --> div classentry-content> pre>只想讲个故事。今天刷题的时候。发生了一件很坑的事。img classalignnone size-full wp-image-633 srchttp://www.liuchuo.net/wp-content/uploads/2016/03/Snip20160318_86.png altSnip20160318_86 width596 height518 srcsethttp://www.liuchuo.net/wp-content/uploads/2016/03/Snip20160318_86-300x261.png 300w, http://www.liuchuo.net/wp-content/uploads/2016/03/Snip20160318_86.png 596w sizes(max-width: 596px) 100vw, 596px />啊啊啊 char a明明只有####,怎么多出来后面一串数字。。百思不得其解。后来才知道。忘记了结尾符。所以输出a的时候。它找啊找找,找\0。找到了萌萌的string s后面的结尾符。于是愉快的输出了如图所示的内容。啊,编译器你真可爱。心塞啊。。。。【手动再见-_-||“memset是计算机中C/C++语言函数。将s所指向的某一块内存中的前n个 字节的内容全部设置为ch指定的ASCII值, 第一个值为指定的内存地址,块的大小由第三个参数指定,这个函数通常为新申请的内存做初始化工作, 其返回值为指向s的指针。”所以说是我乱用memset函数了呢。。嗯。。所以那句话应该这么写:img classalignnone size-full wp-image-636 srchttp://www.liuchuo.net/wp-content/uploads/2016/03/Snip20160318_88.png altSnip20160318_88 width628 height498 srcsethttp://www.liuchuo.net/wp-content/uploads/2016/03/Snip20160318_88-300x238.png 300w, http://www.liuchuo.net/wp-content/uploads/2016/03/Snip20160318_88.png 628w sizes(max-width: 628px) 100vw, 628px />/pre> /div>!-- .entry-content --> footer classentry-footer> span classposted-on>span classscreen-reader-text>发布于 /span>a hrefhttp://www.liuchuo.net/?p632 relbookmark>time classentry-date published datetime2016-03-18T14:53:18+00:00>2016年3月18日/time>time classupdated datetime2016-03-18T15:18:24+00:00>2016年3月18日/time>/a>/span>span classcat-links>span classscreen-reader-text>分类 /span>a hrefhttp://www.liuchuo.net/?cat8 relcategory>Code/a>/span>span classtags-links>span classscreen-reader-text>标签 /span>a hrefhttp://www.liuchuo.net/?tagc reltag>C++/a>、a hrefhttp://www.liuchuo.net/?tagoj reltag>OJ/a>、a hrefhttp://www.liuchuo.net/?tag%e7%ae%97%e6%b3%95 reltag>算法/a>/span>span classcomments-link>a hrefhttp://www.liuchuo.net/?p632#respond>span classscreen-reader-text>于#论char数组结尾’\0’的必要性#/span>留下评论/a>/span> /footer>!-- .entry-footer -->/article>!-- #post-## -->article idpost-626 classpost-626 post type-post status-publish format-standard hentry category-code tag-macbook> header classentry-header> h2 classentry-title>a hrefhttp://www.liuchuo.net/?p626 relbookmark>查看在mac上连接过的wifi密码/a>/h2> /header>!-- .entry-header --> div classentry-content> p>strong>spotlight搜索/strong> strong>钥匙串访问 /strong>并打开/p>p>img classalignnone size-full wp-image-627 srchttp://www.liuchuo.net/wp-content/uploads/2016/03/Snip20160318_80.png altSnip20160318_80 width1340 height850 srcsethttp://www.liuchuo.net/wp-content/uploads/2016/03/Snip20160318_80-300x190.png 300w, http://www.liuchuo.net/wp-content/uploads/2016/03/Snip20160318_80-768x487.png 768w, http://www.liuchuo.net/wp-content/uploads/2016/03/Snip20160318_80-1024x650.png 1024w, http://www.liuchuo.net/wp-content/uploads/2016/03/Snip20160318_80.png 1340w sizes(max-width: 1340px) 100vw, 1340px />/p>p>点击左侧 strong>登录->所有项目/strong>/p>p>img classalignnone size-full wp-image-628 srchttp://www.liuchuo.net/wp-content/uploads/2016/03/Snip20160318_81.png altSnip20160318_81 width280 height1044 />/p>p>在窗口右上方搜索需要的strong>WIFI名称/strong>/p>p>右击 strong>显示简介/strong>/p>p>img classalignnone size-full wp-image-629 srchttp://www.liuchuo.net/wp-content/uploads/2016/03/Snip20160318_82.png altSnip20160318_82 width688 height274 srcsethttp://www.liuchuo.net/wp-content/uploads/2016/03/Snip20160318_82-300x119.png 300w, http://www.liuchuo.net/wp-content/uploads/2016/03/Snip20160318_82.png 688w sizes(max-width: 688px) 100vw, 688px />/p>p>strong>点击显示密码 输入密码后就可以看到了 /strong>/p>p>img classalignnone size-full wp-image-630 srchttp://www.liuchuo.net/wp-content/uploads/2016/03/Snip20160318_83.png altSnip20160318_83 width736 height664 srcsethttp://www.liuchuo.net/wp-content/uploads/2016/03/Snip20160318_83-300x271.png 300w, http://www.liuchuo.net/wp-content/uploads/2016/03/Snip20160318_83.png 736w sizes(max-width: 736px) 100vw, 736px />/p>p> /p> /div>!-- .entry-content --> footer classentry-footer> span classposted-on>span classscreen-reader-text>发布于 /span>a hrefhttp://www.liuchuo.net/?p626 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