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      <title>COMS20017 Algorithms and Data 2025-26: Q&amp;A 4 by </title>
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      <description>This is a place to ask questions about the last week&#39;s material, especially if you&#39;d rather ask anonymously than put your hand up. In a ~250-person class you probably won&#39;t be the only one confused, so don&#39;t worry - we were all new at this once! I&#39;ll prioritise questions that get a lot of likes or that are about this week&#39;s material, and I&#39;ll intersperse questions from the Padlet with questions from the room.</description>
      <language>en-us</language>
      <pubDate>2026-02-13 18:05:02 UTC</pubDate>
      <lastBuildDate>2026-02-16 14:50:36 UTC</lastBuildDate>
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         <title></title>
         <author>johnlapinskas1</author>
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         <description><![CDATA[]]></description>
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         <pubDate>2026-02-13 18:05:02 UTC</pubDate>
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         <title></title>
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         <link>https://padlet.com/uob/wrny0vq1cn1t3is9/wish/3789967058</link>
         <description><![CDATA[<p>Could you explain the differences between a DFS tree and BFS tree (using the slides) and use question 3 from quiz 4 as an example</p>]]></description>
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         <pubDate>2026-02-14 10:45:03 UTC</pubDate>
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         <title>Quiz 4 (Qns 5)</title>
         <author></author>
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         <description><![CDATA[<p>Whats the difference between adjacency list and adjacency matrix?</p>]]></description>
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         <pubDate>2026-02-14 11:23:53 UTC</pubDate>
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         <title></title>
         <author>rg23184_1</author>
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         <description><![CDATA[]]></description>
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         <pubDate>2026-02-14 17:58:52 UTC</pubDate>
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         <title>Problem Sheet 4 (Qns 6)</title>
         <author></author>
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         <description><![CDATA[<p>Could you go through the entire question</p>]]></description>
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         <pubDate>2026-02-15 13:27:52 UTC</pubDate>
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         <title>Problem sheet 4 (Qns 9(b))</title>
         <author></author>
         <link>https://padlet.com/uob/wrny0vq1cn1t3is9/wish/3790630031</link>
         <description><![CDATA[<p>Could you go through this question. I don't understand on how do I "give an algorithm".</p>]]></description>
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         <pubDate>2026-02-15 16:52:24 UTC</pubDate>
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      <item>
         <title>🤯</title>
         <author>rq20376</author>
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         <pubDate>2026-02-16 10:39:19 UTC</pubDate>
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