This is (more or less) cribbed from the USC contest winner's solution.
Very fast and very compact solution. Nice usage of complex to calculate distance between points and recursion.
Make the vector [1 2 3 4 5 6 7 8 9 10]
Replace all zeros and NaNs in a matrix with the string 'error'
Is this triangle right-angled?
Pandiagonal Prime Magic Square Verification
Prime Sequences: AP-k Minimum Final Value
Path Optimization thru N words : Time Optimization
Make a Pandiagonal Prime Magic Square: 11 x 11
Play Tic Tac Toe : No Losses Allowed
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