Earned on 5 Nov 2012 for solving Problem 1. Times 2 - START HERE.
Earned on 17 Jan 2013 for liking Problem 149. Is my wife right?.
Earned on 17 Jan 2013 for commenting on Problem 149. Is my wife right?.
Earned on 17 Jan 2013 for first solving Problem 1207. Phonebook-like problem.
Earned on 5 Feb 2013 for creating Problem 1249. first step for Huffman Coding (easy).
Earned on 31 Jan 2013 for submitting the best solution Solution 198818.
Earned on 29 Jan 2013 for solving all the problems in Tiles Challenge.
Must have 50 solvers for a problem you created.
Earned on 14 Mar 2013 for solving all the problems in Cody Challenge.
Earned on 12 Apr 2013 for solving all the problems in ASEE Challenge.
Create 10 problems.
Solve 500 problems.
Must receive 25 total likes for the problems you created.
Must receive 50 total likes for the solutions you submitted.
Must receive 10 likes for a solution you submitted.
Must receive 10 likes for a problem you created.