Merge pull request prakhar1989#1 from abhy-kumar/abhy-kumar-patch-1

Updated link for CS97SI Notebook

README.md

@@ -322,7 +322,7 @@ Courses
 	- [Lecture Videos](https://archive.org/details/ucberkeley-webcast-PL-XXv-cvA_iC2Khb1B5NnbE7SHPQ1-W17) 
 - [CS 97SI](http://web.stanford.edu/class/cs97si/) **Introduction to Competitive Programming** *Stanford University*  <img src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f4bb.png" width="20" height="20" alt="Assignments" title="Assignments" /> <img src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f4dd.png" width="20" height="20" alt="Lecture Notes" title="Lecture Notes" />
 	- Fantastic repository of theory and practice problems across various topics for students who are interested to participate in ACM-ICPC.
-	- [Lectures and Assignments](http://stanford.edu/~liszt90/acm/notebook.html)
+	- [Lectures and Assignments](https://github.com/jaehyunp/stanfordacm)
 - [CS 224](http://people.seas.harvard.edu/~minilek/cs224/fall14/index.html) **Advanced Algorithms** *Harvard University* <img src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f4f9.png" width="20" height="20" alt="Lecture Videos" title="Lecture Videos" /> <img src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f4bb.png" width="20" height="20" alt="Assignments" title="Assignments" /> <img src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f4dd.png" width="20" height="20" alt="Lecture Notes" title="Lecture Notes" />
 	- CS 224 is an advanced course in algorithm design, and topics we will cover include the word RAM model, data structures, amortization, online algorithms, linear programming, semidefinite programming, approximation algorithms, hashing, randomized algorithms, fast exponential time algorithms, graph algorithms, and computational geometry.
 	- [Lecture Videos](http://people.seas.harvard.edu/~minilek/cs224/fall14/lec.html) ([Youtube](https://www.youtube.com/playlist?list=PL2SOU6wwxB0uP4rJgf5ayhHWgw7akUWSf))