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 :-)
Implement a ROT13 cipher
Least common multiple of many numbers
2 b | ~ 2 b
Make a simplified barcode
self description 2.0
Cat, Meowcat and Concatenation
Let's see how peculiar we can get
FIFA World Cup 2014 : Offside
Graph Algorithms - 1 : Length of the largest closed path
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