Problem 1022. Knot Count - Speed

Created by Richard Zapor

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The Matlab Semi-Annual Contest Grand Finale is Knots.
This Challenge is to Speed up the Scoring routine that counts the number of Knots.
Details and examples are at Knots Rules.
Input: [adjacency xy]
adjacency is an NxN matrix of topologically adjacent(connected) points
xy is an Nx2 matrix giving the X and Y coordinates for the N points
Output: nKnots; Number of Knots
Scoring: Speed; Based on cumulative time of Knots [ 3 6 15 18 24 30 37 42 46 49]; Nominal Time 9.7 sec
Baseline Knot Contest Knot scoring for all 50 test cases is 63 seconds on Cody.

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Last Solution submitted on Mar 19, 2024

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Richard Zapor on 10 Nov 2012

The Knots Contest GradeIt function is not the number of Knots. FYI

Alfonso Nieto-Castanon on 13 Nov 2013

if possible could you fix the url in this problem testsuite? (and perhaps also in the Rubik's series as well? it seems tinyurls tend to have a short life...)

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Problem 1022. Knot Count - Speed

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