Yalong Liu's 徽章
Cody 徽章
全部
Promoter 19 Oct 2014Like a problem or solution
Awarded to Yalong Liu on 19 Oct 2014
Commenter 29 Jan 2015Comment on a problem or solution
Awarded to Yalong Liu on 29 Jan 2015
Solver 13 May 2013Solve a problem for the first time
Awarded to Yalong Liu on 13 May 2013
Leader 25 Jun 2013Solve a problem with a best solution
Awarded to Yalong Liu on 25 Jun 2013
Speed Demon 31 Oct 2014Be the first to solve a problem
Awarded to Yalong Liu on 31 Oct 2014
Creator 31 Oct 2014Create a problem
Awarded to Yalong Liu on 31 Oct 2014
Quiz Master 04 Apr 2024Obtain 50 solvers for a problem you have created
Awarded to Yalong Liu on 04 Apr 2024
CUP Challenge Master 25 Oct 2014Solve all the problems in CUP Challenge
Awarded to Yalong Liu on 25 Oct 2014
Cody 徽章
全部Promoter 19 Oct 2014Commenter 29 Jan 2015Solver 13 May 2013Leader 25 Jun 2013Speed Demon 31 Oct 2014Creator 31 Oct 2014Quiz Master 04 Apr 2024CUP Challenge Master 25 Oct 2014
Like a problem or solution
Awarded to Yalong Liu on 19 Oct 2014
Comment on a problem or solution
Awarded to Yalong Liu on 29 Jan 2015
Solve a problem for the first time
Awarded to Yalong Liu on 13 May 2013
Solve a problem with a best solution
Awarded to Yalong Liu on 25 Jun 2013
Be the first to solve a problem
Awarded to Yalong Liu on 31 Oct 2014
Create a problem
Awarded to Yalong Liu on 31 Oct 2014
Obtain 50 solvers for a problem you have created
Awarded to Yalong Liu on 04 Apr 2024
Solve all the problems in CUP Challenge
Awarded to Yalong Liu on 25 Oct 2014
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