Solve all the problems in CUP Challenge
Awarded to Osman on 20 Feb 2018
Completed both Cody 5th anniversary groups
Awarded to Osman on 17 Dec 2017
Comment on a problem or solution
Awarded to Osman on 07 Dec 2017
Solve all the problems in Cody5:Easy
Awarded to Osman on 03 Dec 2017
Solve a problem for the first time
Awarded to Osman on 28 Nov 2017
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