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 :-)
All your base are belong to us
Multiply 2 numbers
Factorial: Unlimited Size : java.math
Break it up! Break it up!
Graph Algorithms - 1 : Length of the largest closed path
Magnet and Iron
Fermat's last theorem - again
Determine connected components of a graph
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