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 the numeric mean of the prime numbers in a matrix.
Alphabetize by last name
Project Euler: Problem 8, Find largest product in a large string of numbers
Clock Hand Angle 1
Path of least resistance - Move all direction
Yet Another Path Finder
Mongean Shuffle : 2
Integer Sequence - II : New Fibonacci
longest common substring : Skipped character version
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