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 common elements in matrix rows
Energy of a photon
Is the Point in a Circle?
Sort numbers by outside digits
German tank problem
ICFP2021 Hole-In-Wall: Figure Validation with Segment Crossing Check
ismember: Enhanced Time Performance for 'rows' - Speed Scoring (90% savings)
USC Spring 2013 ACM: Relief Supplies
GJam: 2013 Rd1a Bullseye Painting
Fifteen Parity Check
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