Earned on 21 Sep 2014 for solving all the problems in CUP Challenge.
Earned on 19 Aug 2012 for liking Solution 109418.
Earned on 18 Aug 2012 for solving Problem 1. Times 2 - START HERE.
Earned on 2 Sep 2012 for creating Problem 929. Rearrange coefficients after block based DCT tr....
Earned on 12 Mar 2014 for solving all the problems in ASEE Challenge.
Earned on 6 May 2014 for solving all the problems in Tiles Challenge.
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Solve all the problems in Introduction to MATLAB problem group.
Solve a problem first.
25 solvers for the group curated by the player
Solve a problem with a best solution.
Must have 50 solvers for a problem you created.
Solve all the problems in Cody Challenge problem group.
Solve all the problems in Project Euler I problem group.
Solve all the problems in Draw Letters problem group.
Solve 500 problems.
Solve all the problems in Cody5:Easy problem group.
Solve all the problems in Cody Problems in Japanese problem group.
Solve all the problems in Indexing I problem group.
Create 10 problems.
Solve all the problems in Indexing II problem group.
Solve all the problems in Matrix Manipulation I problem group.
Must receive 25 total likes for the problems you created.
Solve all the problems in Magic Numbers problem group.
Solve all the problems in Sequences & Series I problem group.
Solve all the problems in Computation Geometry I problem group.
Must receive 10 likes for a problem you created.
Solve all the problems in Matrix Patterns problem group.
Solve all the problems in Number Manipulation I problem group.
Solve all the problems in Strings I problem group.
Solve all the problems in Divisible by x problem group.
Solve all the problems in Matrix Manipulation II problem group.
Solve all the problems in Matrix Patterns II problem group.
Solve all the problems in Magic Numbers II problem group.
Solve all the problems in R2016b Feature Challenge problem group.
Solve all the problems in Sequences & Series II problem group.
Solve all the problems in Indexing III problem group.
Solve all the problems in Matrix Patterns III problem group.
Solve all the problems in Cody5:Hard problem group.
Solve all the problems in Functions I problem group.
Solve all the problems in Indexing V problem group.
Solve all the problems in Number Manipulation II problem group.
Solve all the problems in Card Games problem group.
Solve all the problems in Sequences & Series III problem group.
Solve all the problems in Strings II problem group.
Solve all the problems in Matrix Manipulation III problem group.
Solve all the problems in Indexing IV problem group.
Must receive 50 total likes for the solutions you submitted.
Solve all the problems in Strings III problem group.
Solve all the problems in Computational Geometry II problem group.
Must receive 10 likes for a solution you submitted.
Solve all the problems in Computational Geometry IV problem group.
Solve all the problems in Logic problem group.
Solve all the problems in Fundamentals of robotics problem group.
Solve all the problems in Word Puzzles problem group.
Solve all the problems in Combinatorics - I problem group.
Solve all the problems in Computational Geometry III problem group.
Solve all the problems in Computer Games I problem group.
Solve all the problems in Modeling and Simulation Challenge problem group.