Added working link for UC Berkeley video lectures

Added link to UC Berkeley webcasts on Archive.org. Due to the original YouTube playlist being removed [1].

[1] http://news.berkeley.edu/2017/03/01/course-capture/

Author: brandonmanke

README.md

@@ -343,11 +343,12 @@ or equal to those of the children and the lowest key is in the root node
 
 ## Video Lectures
 * Data Structures
-    * [UC Berkeley Data Structures](https://www.youtube.com/watch?v=mFPmKGIrQs4&index=1&list=PL-XXv-cvA_iAlnI-BQr9hjqADPBtujFJd)
+    * [UC Berkeley Data Structures](https://archive.org/details/ucberkeley-webcast?&and[]=subject%3A%22Computer%20Science%22&and[]=subject%3A%22CS%22)
     * [MIT Advanced Data Structures](https://www.youtube.com/watch?v=T0yzrZL1py0&list=PLUl4u3cNGP61hsJNdULdudlRL493b-XZf&index=1)
 * Algorithms
     * [MIT Introduction to Algorithms](https://www.youtube.com/watch?v=HtSuA80QTyo&list=PLUl4u3cNGP61Oq3tWYp6V_F-5jb5L2iHb&index=1)
     * [MIT Advanced Algorithms](https://www.youtube.com/playlist?list=PL6ogFv-ieghdoGKGg2Bik3Gl1glBTEu8c)
+    * [UC Berkeley Algorithms](https://archive.org/details/ucberkeley-webcast?&and[]=subject%3A%22Computer%20Science%22&and[]=subject%3A%22CS%22)
 
 ## Interview Books
 * [Competitive Programming 3 - Steven Halim & Felix Halim](https://www.amazon.com/Competitive-Programming-3rd-Steven-Halim/dp/B00FG8MNN8)