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Provide your first answer ever to someone else's question
Awarded to Roger Stafford on 20 Jul 2017
100 of your answers have been accepted
Answer 3 questions that were unanswered for more than 30 days
Reach 5000 reputation points
Contribute at least one answer each month for 24 consecutive months
Comment on a problem or solution
Awarded to Roger Stafford on 23 Feb 2012
Solve a problem for the first time
Awarded to Roger Stafford on 25 Jan 2012
Be the first to solve a problem
Create a problem
Awarded to Roger Stafford on 02 Feb 2012
Obtain 50 solvers for a problem you have created
Awarded to Roger Stafford on 02 Nov 2018
Publish your first submission
Awarded to Roger Stafford on 09 Oct 2019
Your submissions received 1 five star rating
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