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.
Find the sum of all the numbers of the input vector
Remove any row in which a NaN appears
Find the peak 3n+1 sequence value
How many trades represent all the profit?
Getting the indices from a matrice
Chezz_015 : Simplified chess
Rubik's Cube: Solve Randomized Cube - Score : Moves
Usage of java.math : N Choose K with unlimited precision
Access a web hosted copy of the Tiles Contest MAT file
Angle between Two Vectors
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