Earned on 26 Jan 2012 for solving Problem 1. Times 2 - START HERE.

Earned on 28 Jan 2012 for liking Problem 149. Is my wife right?.

Earned on 20 Feb 2012 for commenting on Problem 24. Function Iterator.

Earned on 26 Jan 2012 for creating Problem 109. Check if sorted.

Solve all the problems in CUP Challenge problem group.

Earned on 13 Jan 2015 for first solving Problem 108. Given an unsigned integer x, find the largest y....

Earned on 2 Aug 2017 for submitting the best solution Solution 1244073.

Earned on 26 Sep 2017 at 4:42 for having 50 or more solvers for Problem 108. Given an unsigned integer x, find the largest y....

Earned on 6 Apr 2012 for solving all the problems in Tiles Challenge.

Solve all the problems in ASEE Challenge problem group.

Solve all the problems in Cody Challenge problem group.

Solve 500 problems.

Earned on 2 Feb 2012 for creating 10 problems.

Solve all the problems in Modeling and Simulation Challenge problem group.

Solve all the problems in Magic Numbers problem group.

Solve all the problems in Indexing I problem group.

Solve all the problems in Indexing II problem group.

Earned on 25 Jul 2013 for receiving 25 total likes for the created problems.

Solve all the problems in Matrix Manipulation I problem group.

Must receive 50 total likes for the solutions you submitted.

Solve all the problems in Computation Geometry I problem group.

Solve all the problems in Cody5:Easy problem group.

Earned on 20 Apr 2017 for Problem 115. Distance walked 1D for having 10 or more likes.

Must receive 10 likes for a solution you submitted.

Solve all the problems in R2016b Feature Challenge problem group.

Solve all the problems in Strings I problem group.

Solve all the problems in Matrix Patterns problem group.

Solve all the problems in Divisible by x problem group.

Solve all the problems in Sequences & Series I problem group.

Solve all the problems in Indexing III problem group.

Solve all the problems in Matrix Manipulation II problem group.

Solve all the problems in Card Games problem group.

Solve all the problems in Computational Geometry II problem group.

Solve all the problems in Functions I problem group.

Solve all the problems in Sequences & Series II 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 Sequences & Series III problem group.

Solve all the problems in Matrix Patterns II problem group.

Solve all the problems in Computational Geometry III problem group.

Solve all the problems in Cody5:Hard problem group.