OI-Blog/atom.xml at master · lycLTb/OI-Blog · GitHub

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<?xml version="1.0" encoding="utf-8"?>
<feed xmlns="http://www.w3.org/2005/Atom">
    <id>https://lycLTb.github.io/OI-Blog/</id>
    <title>LTb的博客</title>
    <updated>2023-01-18T14:50:43.913Z</updated>
    <generator>https://github.com/jpmonette/feed</generator>
    <link rel="alternate" href="https://lycLTb.github.io/OI-Blog/"/>
    <link rel="self" href="https://lycLTb.github.io/OI-Blog/atom.xml"/>
    <subtitle>退役鸽子博主
&lt;meta name=&quot;referrer&quot; content=&quot;no-referrer&quot;/&gt;</subtitle>
    <logo>https://lycLTb.github.io/OI-Blog/images/avatar.png</logo>
    <icon>https://lycLTb.github.io/OI-Blog/favicon.ico</icon>
    <rights>All rights reserved 2023, LTb的博客</rights>
    <entry>
        <title type="html"><![CDATA[上外 GAC-U 课程经验分享]]></title>
        <id>https://lycLTb.github.io/OI-Blog/post/shang-wai-gac-u-ke-cheng-jing-yan-fen-xiang/</id>
        <link href="https://lycLTb.github.io/OI-Blog/post/shang-wai-gac-u-ke-cheng-jing-yan-fen-xiang/">
        </link>
        <updated>2022-12-15T15:45:34.000Z</updated>
    </entry>
    <entry>
        <title type="html"><![CDATA[JSOI 2022 游记。]]></title>
        <id>https://lycLTb.github.io/OI-Blog/post/jsoi2022/</id>
        <link href="https://lycLTb.github.io/OI-Blog/post/jsoi2022/">
        </link>
        <updated>2022-04-17T10:42:18.000Z</updated>
    </entry>
    <entry>
        <title type="html"><![CDATA[在天空和大海之间。]]></title>
        <id>https://lycLTb.github.io/OI-Blog/post/memori/</id>
        <link href="https://lycLTb.github.io/OI-Blog/post/memori/">
        </link>
        <updated>2022-02-26T14:16:04.000Z</updated>
    </entry>
    <entry>
        <title type="html"><![CDATA[2022 省选前 OI 托福文化课并行摸鱼日记]]></title>
        <id>https://lycLTb.github.io/OI-Blog/post/JSOI2022-touching-fish/</id>
        <link href="https://lycLTb.github.io/OI-Blog/post/JSOI2022-touching-fish/">
        </link>
        <updated>2022-02-07T13:35:56.000Z</updated>
    </entry>
    <entry>
        <title type="html"><![CDATA[WC 2022 游记。]]></title>
        <id>https://lycLTb.github.io/OI-Blog/post/wc2022/</id>
        <link href="https://lycLTb.github.io/OI-Blog/post/wc2022/">
        </link>
        <updated>2022-02-05T12:36:41.000Z</updated>
    </entry>
    <entry>
        <title type="html"><![CDATA[NOIP / CSP 2021 游记]]></title>
        <id>https://lycLTb.github.io/OI-Blog/post/noip-csp-2021/</id>
        <link href="https://lycLTb.github.io/OI-Blog/post/noip-csp-2021/">
        </link>
        <updated>2021-11-30T12:21:30.000Z</updated>
    </entry>
    <entry>
        <title type="html"><![CDATA[【题解】CF1566F]]></title>
        <id>https://lycLTb.github.io/OI-Blog/post/solution-cf1566f/</id>
        <link href="https://lycLTb.github.io/OI-Blog/post/solution-cf1566f/">
        </link>
        <updated>2021-10-21T01:21:45.000Z</updated>
    </entry>
    <entry>
        <title type="html"><![CDATA[【题解】CF329D]]></title>
        <id>https://lycLTb.github.io/OI-Blog/post/solution-cf329d/</id>
        <link href="https://lycLTb.github.io/OI-Blog/post/solution-cf329d/">
        </link>
        <updated>2021-08-08T15:18:05.000Z</updated>
    </entry>
    <entry>
        <title type="html"><![CDATA[【题解】CF311C]]></title>
        <id>https://lycLTb.github.io/OI-Blog/post/solution-cf311c/</id>
        <link href="https://lycLTb.github.io/OI-Blog/post/solution-cf311c/">
        </link>
        <updated>2021-08-06T15:18:54.000Z</updated>
    </entry>
    <entry>
        <title type="html"><![CDATA[【题解】CF1555F]]></title>
        <id>https://lycLTb.github.io/OI-Blog/post/solution-1555f/</id>
        <link href="https://lycLTb.github.io/OI-Blog/post/solution-1555f/">
        </link>
        <updated>2021-07-31T08:41:08.000Z</updated>
        <summary type="html"><![CDATA[<p>称权值异或和为 <span class="katex"><span class="katex-mathml"><math><semantics><mrow><mn>1</mn></mrow><annotation encoding="application/x-tex">1</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.64444em;vertical-align:0em;"></span><span class="mord">1</span></span></span></span> 的简单环为合法的环。</p>
<p>假设两个合法的环有至少一条公共边，那么考虑它们组成的大环的权值：每条公共边上的权值相同可以抵消，其他边上的权值异或和相同，也抵消，则大环的权值为 <span class="katex"><span class="katex-mathml"><math><semantics><mrow><mn>0</mn></mrow><annotation encoding="application/x-tex">0</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.64444em;vertical-align:0em;"></span><span class="mord">0</span></span></span></span>——显然这两个环组成的大环不是合法的，所以原图一定是一个仙人掌状物。</p>
]]></summary>
        <content type="html"><![CDATA[<p>称权值异或和为 <span class="katex"><span class="katex-mathml"><math><semantics><mrow><mn>1</mn></mrow><annotation encoding="application/x-tex">1</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.64444em;vertical-align:0em;"></span><span class="mord">1</span></span></span></span> 的简单环为合法的环。</p>
<p>假设两个合法的环有至少一条公共边，那么考虑它们组成的大环的权值：每条公共边上的权值相同可以抵消，其他边上的权值异或和相同，也抵消，则大环的权值为 <span class="katex"><span class="katex-mathml"><math><semantics><mrow><mn>0</mn></mrow><annotation encoding="application/x-tex">0</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.64444em;vertical-align:0em;"></span><span class="mord">0</span></span></span></span>——显然这两个环组成的大环不是合法的，所以原图一定是一个仙人掌状物。</p>
]]></content>
    </entry>
</feed>