AIcrowd competition platform for AI & Data Science (#4388)

AIcrowd enables data science experts and enthusiasts to collaboratively solve real-world problems, through challenges.

problem-sets-competitive-programming.md

@@ -51,6 +51,7 @@
 
 ### Data science
 
+* [AIcrowd](https://www.aicrowd.com)
 * [Kaggle](https://www.kaggle.com)