nhagen
自 2015 起处于活动状态
Followers: 0 Following: 0
Provide your first answer ever to someone else's question
Awarded to nhagen on 20 Jul 2017
Obtain 50 solvers for a problem you have created
Awarded to nhagen on 02 Jan 2017
Create a problem
Awarded to nhagen on 25 Mar 2015
Solve a problem with a best solution
Awarded to nhagen on 23 Mar 2015
Solve all the problems in ASEE Challenge
Awarded to nhagen on 19 Mar 2015
Solve all the problems in Tiles Challenge
Awarded to nhagen on 19 Mar 2015
Comment on a problem or solution
Awarded to nhagen on 18 Mar 2015
Like a problem or solution
Awarded to nhagen on 17 Mar 2015
Solve a problem for the first time
Awarded to nhagen on 17 Mar 2015
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