diff --git a/more/problem-sets-competitive-programming.md b/more/problem-sets-competitive-programming.md
index 0cf1ffe62..2fa45ba68 100644
--- a/more/problem-sets-competitive-programming.md
+++ b/more/problem-sets-competitive-programming.md
@@ -11,6 +11,7 @@
 
 * [4Clojure](http://www.4clojure.com)
 * [A2 Online Judge](https://a2oj.com)
+* [Algorithms for Competitive Programming](https://cp-algorithms.com)
 * [APL Problem Solving Competition](https://contest.dyalog.com)
 * [AtCoder](https://atcoder.jp)
 * [beecrowd](https://www.beecrowd.com.br)