Solve all the problems in Cody Problems in Japanese problem group
Awarded to Daniel lefebvre on 06 Dec 2020
Solve all the problems in Introduction to MATLAB problem group
Awarded to Daniel lefebvre on 29 Nov 2020
Solve a community group
Awarded to Daniel lefebvre on 29 Nov 2020
Be the first to solve a problem
Awarded to Daniel lefebvre on 17 Feb 2014
Solve a problem with a best solution
Awarded to Daniel lefebvre on 17 Feb 2014
Create a problem
Awarded to Daniel lefebvre on 17 Feb 2014
Solve all the problems in CUP Challenge
Awarded to Daniel lefebvre on 08 Feb 2014
Comment on a problem or solution
Awarded to Daniel lefebvre on 31 Jan 2014
Like a problem or solution
Awarded to Daniel lefebvre on 27 Jan 2014
Solve a problem for the first time
Awarded to Daniel lefebvre on 27 Jan 2014
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