diff --git a/problem-sets-competitive-programming.md b/problem-sets-competitive-programming.md
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--- a/problem-sets-competitive-programming.md
+++ b/problem-sets-competitive-programming.md
@@ -23,6 +23,7 @@
 
 ### Problem Sets
 * [Anarchy Golf](http://golf.shinh.org/)
+* [CareerCup](http://www.careercup.com/)
 * [Caribbean Online Judge](http://coj.uci.cu/24h/problems.xhtm)
 * [CheckIO](http://www.checkio.org/)
 * [CodeHunt](https://www.codehunt.com/)