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<p class="h4">共计 8 篇文章</p>
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<div class="list-group">
<p class="h4">共计 8 篇文章</p>
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<p class="h5">2024</p>

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<time>10-19</time>
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<p class="h4">共计 8 篇文章</p>
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<p class="h5">2024</p>

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<time>10-19</time>
<div class="list-group-item-title">20241019</div>
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8 changes: 7 additions & 1 deletion archives/index.html
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<div class="list-group">
<p class="h4">共计 8 篇文章</p>
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<p class="h5">2024</p>

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<time>10-19</time>
<div class="list-group-item-title">20241019</div>
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<time>10-17</time>
<div class="list-group-item-title">20241017</div>
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20241019
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校赛总结成绩银牌,做出了 A,B,D,G,J A Boosting签到题。 B Burning题意描述:你有许多绳子, 1.不均匀 2.随时可以熄灭 ,能烧1h。 给定时间(hh:mm:ss),请问是否可以烧出。 题解: 取两根绳子,A烧一头,B烧两头,当B烧完时熄灭A,可得到一根可以烧出15min的绳子C(两头烧)。最短时间为225s。据此判断即可。 C Calendar大模拟,感觉没啥能说的
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2024-10-19
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<entry>
<title>20241019</title>
<link href="/posts/e21e6335.html"/>
<url>/posts/e21e6335.html</url>

<content type="html"><![CDATA[<h2 id="校赛总结"><a href="#校赛总结" class="headerlink" title="校赛总结"></a>校赛总结</h2><h3 id="成绩"><a href="#成绩" class="headerlink" title="成绩"></a>成绩</h3><p>银牌,做出了 A,B,D,G,J</p><h3 id="A-Boosting"><a href="#A-Boosting" class="headerlink" title="A Boosting"></a>A Boosting</h3><p>签到题。</p><h3 id="B-Burning"><a href="#B-Burning" class="headerlink" title="B Burning"></a>B Burning</h3><p>题意描述:你有许多绳子, <strong>1.不均匀 2.随时可以熄灭</strong> ,能烧1h。 给定时间(hh:mm:ss),请问是否可以烧出。</p><p>题解: 取两根绳子,A烧一头,B烧两头,当B烧完时熄灭A,可得到一根可以烧出15min的绳子C(两头烧)。最短时间为225s。据此判断即可。</p><h3 id="C-Calendar"><a href="#C-Calendar" class="headerlink" title="C Calendar"></a>C Calendar</h3><p>大模拟,感觉没啥能说的</p><h3 id="D-Card"><a href="#D-Card" class="headerlink" title="D Card"></a>D Card</h3><p>水题,直接算即可</p><h3 id="E-Chatgpt"><a href="#E-Chatgpt" class="headerlink" title="E Chatgpt"></a>E Chatgpt</h3><p>题意描述:给定三个操作:</p><ul><li>注:所有的“显示字符串”意思均为显示 $\Sigma^{|S|}_{y&#x3D;1}S_iB^i mod 2^64, B&#x3D;131$ 哈希后的字符串异或和</li></ul><ol><li>添加一段新问答:1 Q A,显示Q与A</li><li>选择一个回答,添加一段问答:2. Q’ A’,显示所有已知问答</li><li>选择一个提问(Q),修改,给出新的回答,附在Q的上一条问答后</li></ol><p>可持久化数据结构的考察,可以用链表,没有写。</p><h3 id="F-Discrete"><a href="#F-Discrete" class="headerlink" title="F Discrete"></a>F Discrete</h3><p>题意:给定$m$,求$1~(m-1)^2$ 中有多少个数 $n$满足$n\equiv b (\mod m)$</p><p>不会QwQ</p><h3 id="G-DNS"><a href="#G-DNS" class="headerlink" title="G DNS"></a>G DNS</h3><p>水题,<code>map+vector</code> 随便写</p><h3 id="H-Configure-Network"><a href="#H-Configure-Network" class="headerlink" title="H Configure Network"></a>H Configure Network</h3><p>题意: 给定$n*n$矩阵,求从第一列到第最后一列,点权和恰好为$t$的路径</p><p>解法:双边搜索+bitset建桶。</p><p>好久不做题,想到了没敢写。该打。</p><h3 id="I-Teleport"><a href="#I-Teleport" class="headerlink" title="I Teleport"></a>I Teleport</h3><p>题意:给定n个坐标,要有n次$(0,0)-&gt;(x_i,y_i)-&gt;(0,0)$,但拥有传送门,1s送到距所在位置切比雪夫距离在$[l,r]$ 的点,$r\leq k$。最小化 $r-l+1$</p><p>没有做,考场上没有看。</p><h3 id="J-Three-Body"><a href="#J-Three-Body" class="headerlink" title="J Three Body"></a>J Three Body</h3><p>题意:求三个圆都覆盖到的面积</p><p>解法:计算几何板子</p><h3 id="K-Tree"><a href="#K-Tree" class="headerlink" title="K Tree"></a>K Tree</h3><p>题意:给定n组数据:fa l。fa为父亲的下标,l为长度。在第$i$行第$m$层(父节点及祖宗节点个数)长度为$l$的节点花费为$i*(m+l)$</p><p>做法:大概就是存长度和层数排序</p><h3 id="L-Tube"><a href="#L-Tube" class="headerlink" title="L Tube"></a>L Tube</h3><p>没看懂</p><h3 id="M-No-Left-Turn"><a href="#M-No-Left-Turn" class="headerlink" title="M No Left Turn"></a>M No Left Turn</h3><p>一道神奇的图论,没看懂</p>]]></content>



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