The Knots Contest GradeIt function is not the number of Knots. FYI
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...)
not really sure, but perhaps there are some numerical precision issues for some of the near-colinear cases in the testsuite? (if so perhaps it would be useful to resample the testsuite nodes to remove colinear or near-colinear cases?)
The expected knots table was based upon the Official slow scoring method. The docross function creates many warning messages "Warning: Matrix is singular to working precision. ". A single case, #3, takes >0.3 seconds versus expected 0.01 seconds.
Prime factor digits
Project Euler: Problem 10, Sum of Primes
Find the Kronecker Tensor Product without using KRON
Crossing to Kissing - Untangle the Lines
TRON Tourney 000 : Clockwise Wall Hugger
PACMAT 04 - Optimized Ghosts, Equal Speed, 10 Lives
GJam 2014 China Rd A: Rational Number Tree (Large Values)
PACMAT 06 - Optimized Ghosts, Equal Speed, Inf Lives; Interactive Download
DNA Pattern Match: Performance Metric - Speed
Image Processing 002 : Fix Vignetting in a Visible Sensor
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