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 :-)
Project Euler: Problem 1, Multiples of 3 and 5
Getting the indices from a matrice
Numbers in extended form
all possible subsets of set
Collaborative Fun : Nomination
row-th maximum row elements
weekday and month
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