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 :-)
Which doors are open?
Replace NaNs with the number that appears to its left in the row.
Determine if a Given Number is a Triangle Number
CONVERT TAN TO SIN
Magnet and Iron
Integer Sequence - II : New Fibonacci
possible ways through matrix
Let's see how peculiar we can get
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