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        <dc:date>2020-05-29T21:14:23+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>2020-2021:teams:no_morning_training:weekly:宽度优先搜索及其优化</title>
        <link>https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:no_morning_training:weekly:%E5%AE%BD%E5%BA%A6%E4%BC%98%E5%85%88%E6%90%9C%E7%B4%A2%E5%8F%8A%E5%85%B6%E4%BC%98%E5%8C%96&amp;rev=1590758063&amp;do=diff</link>
        <description>宽度优先搜索及其优化

大家都会*2

原理

宽度优先搜索（BFS），是常和深搜放在一起提及的算法。

同样是一种搜索方法，与深搜优先往深处前进不同，访问完当前节点后不会立刻去访问它的子节点，而是去访问“同一层”的另一个节点。在搜索树中表现出来就是“一层一层”地访问。</description>
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        <dc:date>2020-07-17T16:30:28+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>2020-2021:teams:no_morning_training:weekly:词频统计的一些做法</title>
        <link>https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:no_morning_training:weekly:%E8%AF%8D%E9%A2%91%E7%BB%9F%E8%AE%A1%E7%9A%84%E4%B8%80%E4%BA%9B%E5%81%9A%E6%B3%95&amp;rev=1594974628&amp;do=diff</link>
        <description>词频统计的一些做法

主要难点在大词典的读入与存储，和大文本在大词典中的搜索。

个人有几个思路，整理归纳一下。


存储

普通的数组直接pass，链表搜索起来太慢。

二叉查找树

可以把搜索的时间复杂度降到logn。</description>
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        <dc:date>2020-05-24T21:03:48+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>2020-2021:teams:no_morning_training:weekly:week3</title>
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        <description>2020/05/09--2020/05/15

----------

团队训练

2020.05.16 牛客假日团队赛41 pro:3/3/12


----------

王瑞琦

比赛

暂无

专题

补充了上次的深度优先搜索及其优化，并总结了宽度优先搜索及其优化

冯宇扬

比赛

专题

常程

比赛

没打

专题

自平衡二叉查找树

这周没补充之前的AVL和红黑树，而是具体地学了一下splay</description>
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        <dc:date>2020-06-01T12:27:12+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>2020-2021:teams:no_morning_training:weekly:week4</title>
        <link>https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:no_morning_training:weekly:week4&amp;rev=1590985632&amp;do=diff</link>
        <description>2020/05/23--2020/05/29

----------

团队训练

2020.05.24  pro:3/3/12


----------

王瑞琦

比赛

摸了


专题

比较摸，补充了宽搜的几个优化方法。

冯宇扬

比赛

专题

常程

比赛

没打

专题

线段树

这个是有人写过了 但是我对这个并不是很熟悉（菜） 这次学习了下</description>
    </item>
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        <dc:date>2020-06-05T23:42:16+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>2020-2021:teams:no_morning_training:weekly:week5</title>
        <link>https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:no_morning_training:weekly:week5&amp;rev=1591371736&amp;do=diff</link>
        <description>2020/05/30--2020/06/05

----------

团队训练

摸了

----------

王瑞琦

比赛

无

专题

摸了

冯宇扬

比赛

专题

常程

比赛

专题

这一周状态不好（fw，稍微摸一下

二维线段树


----------

本周推荐

王瑞琦

摸了orz</description>
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        <dc:date>2020-06-14T10:12:49+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>2020-2021:teams:no_morning_training:weekly:week6</title>
        <link>https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:no_morning_training:weekly:week6&amp;rev=1592100769&amp;do=diff</link>
        <description>2020/06/06--2020/06/12

----------

团队训练

摸了

----------

王瑞琦

比赛

无

专题

摸了

冯宇扬

比赛

专题

常程

比赛

没有

专题

摸了

----------

本周推荐

王瑞琦

摸了

冯宇扬

常程

摸了</description>
    </item>
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        <dc:date>2020-07-17T22:27:43+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>2020-2021:teams:no_morning_training:weekly:week7</title>
        <link>https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:no_morning_training:weekly:week7&amp;rev=1594996063&amp;do=diff</link>
        <description>2020/07/11--2020/07/17

----------

团队训练

暂无

----------

王瑞琦

比赛

无

专题

最近没有整什么新东西，花了很多时间优化期末的大作业=。=（菜）

最后也没有优化到最好，但总之还是总结一下吧。</description>
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        <dc:date>2020-07-29T09:01:54+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>2020-2021:teams:no_morning_training:weekly:week8</title>
        <link>https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:no_morning_training:weekly:week8&amp;rev=1595984514&amp;do=diff</link>
        <description>2020/07/18--2020/07/24

----------

团队训练

暂无

----------

王瑞琦

比赛

无

专题

无

冯宇扬

没有

常程

比赛

没有

专题

这一周在刷AC自动机的题来着，所以没有新的东西

----------

本周推荐</description>
    </item>
    <item rdf:about="https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:no_morning_training:weekly:week9&amp;rev=1596183304&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-07-31T16:15:04+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>2020-2021:teams:no_morning_training:weekly:week9</title>
        <link>https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:no_morning_training:weekly:week9&amp;rev=1596183304&amp;do=diff</link>
        <description>2020/07/25--2020/07/31

----------

团队训练

暂无

----------

王瑞琦

比赛

无

专题

无

冯宇扬

比赛

cf 659 div 2

cf 660 div 2

常程

比赛

无

专题

摸了

----------

本周推荐

王瑞琦

写了一道矩阵快速幂的模板题。</description>
    </item>
    <item rdf:about="https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:no_morning_training:weekly:week10&amp;rev=1597389696&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-08-14T15:21:36+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>2020-2021:teams:no_morning_training:weekly:week10</title>
        <link>https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:no_morning_training:weekly:week10&amp;rev=1597389696&amp;do=diff</link>
        <description>2020/08/01--2020/08/07

----------

团队训练

暂无

----------

王瑞琦

比赛

无

专题

摸了_(:з」∠)_

冯宇扬

出行 摸一周

常程

比赛

无

专题

记忆化搜索（做题太慢了）

----------

本周推荐

王瑞琦

也摸了_(:з」∠)_$(0\le i\le K)$</description>
    </item>
    <item rdf:about="https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:no_morning_training:weekly:week11&amp;rev=1597403902&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-08-14T19:18:22+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>2020-2021:teams:no_morning_training:weekly:week11</title>
        <link>https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:no_morning_training:weekly:week11&amp;rev=1597403902&amp;do=diff</link>
        <description>2020/08/08--2020/08/14

----------

团队训练

暂无

----------

王瑞琦

比赛

无

专题

无

冯宇扬

比赛

cf 664 div 2
因为一些事 开始打的时候已经过去接近一个小时了
于是跳过前两道
最后因为浏览器的问题（最后排查发现是我改了ua）没交成</description>
    </item>
    <item rdf:about="https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:no_morning_training:weekly:week12&amp;rev=1598018836&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-08-21T22:07:16+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>2020-2021:teams:no_morning_training:weekly:week12</title>
        <link>https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:no_morning_training:weekly:week12&amp;rev=1598018836&amp;do=diff</link>
        <description>2020/08/01--2020/08/07

----------

团队训练

暂无

----------

王瑞琦

比赛

无

专题

无

冯宇扬

无

常程

比赛

无

专题

搜索：A*、IDA*、DLX

本周推荐

王瑞琦

一道A*入门题

来源

洛谷P2324：[SCOI2005]骑士精神

标签

搜索，A*算法</description>
    </item>
    <item rdf:about="https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:no_morning_training:weekly:week13&amp;rev=1598691674&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-08-29T17:01:14+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>2020-2021:teams:no_morning_training:weekly:week13</title>
        <link>https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:no_morning_training:weekly:week13&amp;rev=1598691674&amp;do=diff</link>
        <description>2020/08/22--2020/08/28

----------

团队训练

暂无

----------

王瑞琦

比赛

无

专题

出行，摸了_(:з」∠)_

冯宇扬

比赛

665 div 2

专题

常程

比赛

无

专题

这周摸了（学校有一个小作业来着

本周推荐</description>
    </item>
    <item rdf:about="https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:no_morning_training:weekly:week14&amp;rev=1599064759&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-09-03T00:39:19+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>2020-2021:teams:no_morning_training:weekly:week14</title>
        <link>https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:no_morning_training:weekly:week14&amp;rev=1599064759&amp;do=diff</link>
        <description>2020/08/29--2020/09/04

----------

团队训练

暂无

----------

王瑞琦

比赛

无

专题

无

冯宇扬

比赛

专题

常程

本周摸了，由于假期小作业（由于我写得太慢

比赛

无

专题

无

本周推荐

王瑞琦</description>
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