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 :-)
Find all elements less than 0 or greater than 10 and replace them with NaN
Sums with Excluded Digits
Arrange Vector in descending order
Count letters occurence in text, specific to words with a given length.
Split bread like the Pharaohs - Egyptian fractions and greedy algorithm
row-th maximum row elements
Diagonal of a Spiral Matrix
Calculate the h-index
Neither minima nor maxima
Largest Geometric Series
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