15-year anniversary Scavenger Hunt finisher badge
Awarded to Clemens Giegerich on 09 Nov 2016
Obtain 50 solvers for a problem you have created
Awarded to Clemens Giegerich on 22 Jan 2020
Solve Project Euler problems using Matlab
Awarded to Clemens Giegerich on 11 Sep 2018
Solve all the problems in CUP Challenge
Awarded to Clemens Giegerich on 29 May 2014
Solve 500 problems
Awarded to Clemens Giegerich on 19 Jun 2013
Solve a problem with a best solution
Awarded to Clemens Giegerich on 14 May 2013
Create a problem
Awarded to Clemens Giegerich on 12 May 2013
Solve all the problems in ASEE Challenge
Awarded to Clemens Giegerich on 12 May 2013
Solve all the problems in Tiles Challenge
Awarded to Clemens Giegerich on 03 May 2013
Be the first to solve a problem
Awarded to Clemens Giegerich on 02 May 2013
Comment on a problem or solution
Awarded to Clemens Giegerich on 01 May 2013
Like a problem or solution
Awarded to Clemens Giegerich on 27 Apr 2013
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