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 :-)
Sort a list of complex numbers based on far they are from the origin.
Remove NaN ?
Matrix to column conversion
Numbers in extended form
FIFA World Cup 2014 : Offside
Collaborative Fun : Nomination
Diagonal of a Spiral Matrix
Graph Algorithms 3: Number of Connected Components
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