It appears that Alfonso took 7 minutes to solve this challenge.
very clever simplifications (constant term in linear model is irrelevant, and optimal slope can only take a discrete set of values)
Tobias took at least 2 minutes to solve this challenge with Matlab. An elegant usage of a function and a Matlab optimization function. This solution also crushed the GJam BigDataset in 1.2 seconds.
Project Euler: Problem 10, Sum of Primes
Function composition - harder
Add two numbers
Fix the last element of a cell array
Create a matrix with difference of each row of input matrix
Solve Quadratic : No * - or key functions permitted
Fifteen Parity Check
Sokoban: Puzzle 10.45
USC Fall 2012 ACM Question A : Read Input File
GJam: 2013 Rd1a Bullseye Painting - Large Numbers
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