Answer 1 question that was unanswered for more than 30 days
Awarded to Suman Saha on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to Suman Saha on 20 Jul 2017
Receive 25 likes on a problem you have created
Awarded to Suman Saha on 09 Aug 2021
Receive 10 likes on a problem you have created
Awarded to Suman Saha on 01 Feb 2021
Publish your first submission
Awarded to Suman Saha on 09 Oct 2019
Obtain 50 solvers for a problem you have created
Awarded to Suman Saha on 05 Apr 2016
Create 10 problems
Awarded to Suman Saha on 07 Jun 2013
Solve a problem with a best solution
Awarded to Suman Saha on 31 May 2013
Be the first to solve a problem
Awarded to Suman Saha on 11 May 2013
Comment on a problem or solution
Awarded to Suman Saha on 11 May 2013
Like a problem or solution
Awarded to Suman Saha on 11 May 2013
Create a problem
Awarded to Suman Saha on 04 May 2013
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