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 :-)
Dice face matrix!
Length of the hypotenuse
Split bread like the Pharaohs - Egyptian fractions and greedy algorithm
I want eval
Integer Sequence - II : New Fibonacci
remove single elements
Magnet and Iron
Beauty of Parentheses
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