Completed both Cody 5th anniversary groups
Awarded to HH on 27 Nov 2017
Contributed problems to the Cody 5th anniversary groups
Awarded to HH on 16 Oct 2017
Solve all the problems in Cody5:Hard
Awarded to HH on 30 Jun 2023
Solve all the problems in Number Manipulation II problem group
Awarded to HH on 18 Dec 2022
Solve at least 10 problems in 10 consecutive days during the Cody 10th Anniversary Contest
Awarded to HH on 31 Oct 2022
Solve a problem with a best solution
Awarded to HH on 26 Oct 2022
Solve all the problems in Card Games
Awarded to HH on 29 Sep 2022
Receive 10 likes on a problem you have created
Awarded to HH on 14 Aug 2020
Obtained 200 Solvers for the group created
Awarded to HH on 11 Aug 2020
Solve all the problems in Draw Letters problem group
Awarded to HH on 14 Mar 2020
Solve all the problems in Introduction to MATLAB problem group
Awarded to HH on 20 Jan 2019
Solve all the problems in Matrix Manipulation III
Awarded to HH on 20 Jan 2019
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