Competitive Programming

I started doing competitive programming in my undergrad, and I was gladly a particpant and a coach in the UW-Madison ICPC Team, where I am advised by Prof. Dieter van Melkebeek.

Now I am a coach of the ICPC team at the University of Chicago.


From left to right: Team photo, World Finals Luxor (46th) Scoreboard
North American Championship 2022 Scoreboard


  • led weekly discussion on problems and topics
  • organized trainings for the teams.
  • attended 2019 ICPC World Finals at Porto, Portugal.

Online (Gaming)

I, also known as RobeZH, was an International Grandmaster on Codeforces with a highest rating of 2716 and a highest global rank of 169. I am also active on other sites like Atcoder, Codechef, etc.