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Earned on 29 Apr 2015 for first solving Problem 886. Rubik's Cube: Solve Randomized Cube - Score : ....
Earned on 7 Apr 2015 for solving all the problems in CUP Challenge.
Earned on 29 Apr 2015 for submitting the best solution Solution 663005.
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Solve all the problems in Tiles Challenge problem group.
Solve all the problems in ASEE Challenge problem group.
Solve all the problems in Cody Challenge problem group.
Create 10 problems.
Solve 500 problems.
Solve all the problems in Modeling and Simulation Challenge problem group.
Solve all the problems in Magic Numbers problem group.
Must receive 25 total likes for the problems you created.
Must receive 50 total likes for the solutions you submitted.
Solve all the problems in Indexing I problem group.
Must receive 10 likes for a solution you submitted.
Must receive 10 likes for a problem you created.
Solve all the problems in Indexing II problem group.
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