Like a problem or solution
Awarded to ML on 28 Feb 2021
Comment on a problem or solution
Solve a problem for the first time
Be the first to solve a problem
Awarded to ML on 01 Mar 2021
Solve all the problems in CUP Challenge
Awarded to ML on 08 Mar 2021
Solve all the problems in Draw Letters problem group
Solve a community group
Solve all the problems in Introduction to MATLAB problem group
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