added slides for sorting algos and trees for 2521 rev sess (#252)

Author: Allynixtor

data/course-revision/2521-23T2.mdx

@@ -0,0 +1,79 @@
+---
+title: CSESoc COMP2521 Revision Practice Problems
+desc: Practical coding exercises to help you prepare for your COMP2521 23T3 final exam 😄
+course: COMP2521
+offering: 23T3
+---
+
+# CSESoc COMP2521 Revision Practice Problems
+
+Note:
+
+For COMP2521 multiple choice theory problems, see [here](https://learn.csesoc.org.au/articles/2521-revision-theory)
+
+For COMP2521 short answer theory problems, see [here](https://learn.csesoc.org.au/course-revision/2521-23T2/theory)
+
+This is a set of practical programming problems designed to help you prepare for your COMP2521 23T3 final exam.
+
+There are autotests for each problem on cse servers which you can use to check your solutions.
+
+To start, log in to cse servers via ssh and create a new folder:
+
+```bash:~
+$ mkdir 2521-revision
+$ cd 2521-revision
+```
+
+Then run the following command to copy the template files:
+
+```bash:~/2521-revision
+$ 2521 fetch revision
+```
+
+<br />
+
+## Miscellaneous resources
+
+<br />
+
+### [Time-Efficient Problem Solving Slides](https://docs.google.com/presentation/d/1OlIyQTg3afU6UOkdY4s2hpacSUsRSVGUboPcxXDEvA0/edit#slide=id.ge7f9c668d6_0_1036)
+
+<figure class="video_container">
+  <iframe
+    src="https://docs.google.com/presentation/d/e/2PACX-1vQSdJqbTa0aI4foczJ5q3FJFaqkDzWpdDP-iVvv7zQ50jHmvU0JeOELspAFunfgMaryXlChC90Hg19t/embed?start=false&loop=false&delayms=3000"
+    frameborder="0"
+    width="800"
+    height="474"
+    allowfullscreen="true"
+    mozallowfullscreen="true"
+    webkitallowfullscreen="true"></iframe>
+</figure>
+
+<br />
+
+### [Implementation: Hashmap with linear probing collision resolution](https://github.com/Allynixtor/comp2521-revision-session/blob/main/miscellaneous_content/hashmap_linear_probe.c)
+
+<br />
+
+### [Sorting algorithms slides](https://unsw-my.sharepoint.com/:p:/r/personal/z5479795_ad_unsw_edu_au/_layouts/15/Doc.aspx?sourcedoc=%7Bc2f3e5f3-e634-475c-b037-3967089d9b87%7D&action=view&wdSlideId=256&wdModeSwitchTime=1699349371592)
+
+<figure class="video_container">
+  <iframe
+    src="https://unsw-my.sharepoint.com/:p:/g/personal/z5479795_ad_unsw_edu_au/EfPl88I05lxHsDc5Zwidm4cBiKFbco9gnvdMxNLIvY4vsg?e=FyvINZ&amp;action=embedview&amp;wdAr=1.7777777777777777"
+    width="800px"
+    height="474px"
+    frameborder="0"></iframe>
+</figure>
+
+### [Binary Search Trees & AVL Trees slides](https://www.canva.com/design/DAFymeapRU0/Ee9RjvxJ88C8ObjA7zb-_Q/view?utm_content=DAFymeapRU0&utm_campaign=designshare&utm_medium=link&utm_source=editor)
+
+<a
+  href="https://www.canva.com/design/DAFymeapRU0/Ee9RjvxJ88C8ObjA7zb-_Q/view?utm_content=DAFymeapRU0&utm_campaign=designshare&utm_medium=link&utm_source=editor"
+  target="_blank">
+  <img
+    src="/images/comp2521-revision/2521-tree-slides.png"
+    alt="2521-tree-slides"
+    width="800"
+    height="474"
+  />
+</a>