Coloring [0 1 0 1 1 0 2] seems to work for test case 2, giving it a chromatic number of 3 rather than 4.
yes.. corrected. Thanks for pointing it out :-)
Create a square matrix of multiples
Decode a simplified barcode
Generate a string like abbcccddddeeeee
Fangs of a vampire number
Approximation of Pi
Neither minima nor maxima
Fermat's last theorem - again
Cat, Meowcat and Concatenation
Mongean Shuffle : 2
remove single elements
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