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.
yet another flying fly (YAFF)
Vectorize the digits of an Integer
Rotate input square matrix 90 degrees CCW without rot90
Is 3D point set Co-Planar?
Image Processing 002 : Fix Vignetting in a Visible Sensor
Mastermind III: Solve in 1
BattleShip - Seaman (1) thru Admiral(6) : CPU Time Scoring(msec)
USC Spring 2012 ACM: Armageddon
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