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Provide your first answer ever to someone else's question
Awarded to arvid Martens on 09 Jan 2018
Accept 1 answer given by other contributors
Awarded to arvid Martens on 24 Apr 2018
Solve all the problems in CUP Challenge
Awarded to arvid Martens on 03 May 2017
Solve all the problems in Functions I
Awarded to arvid Martens on 09 May 2017
Solve a problem for the first time
Awarded to arvid Martens on 02 May 2017
Solve a problem with a best solution
Awarded to arvid Martens on 05 May 2017
Solve all the problems in ASEE Challenge
Awarded to arvid Martens on 21 Jun 2017
Solve all the problems in Tiles Challenge
Awarded to arvid Martens on 04 May 2017
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