Map Coloring with Violations Solutions
This challenge is an advanced version of the May-2019 Challenge. Previously you had 4 colors (blue, red, green, or yellow) but now you have only 3 colors (blue, red, green). It is not enough to color six European countries: Belgium, Denmark, France, Germany, Luxembourg, and the Netherlands in such a way that no neighboring countries use the same color. So, some neighboring counties may have the same colors but there is a relative cost for such violations:
France – Luxembourg: $257
Luxembourg – Germany: $904
Luxembourg – Belgium: $568
You need to find a solution that minimizes the total violation cost. Please submit your solutions to DecisionManagementCommunity@gmail.com.
- JavaSolver – submitted by Jacob Feldman
- OPL CPLEX – submitted by Alex Fleischer
- SQL – submitted by Damir Sudarevic
- cDMN – submitted by Simon Vandevelde
- RuleSolver – submitted by Jacob Feldman
- …
dmcommunity.org 
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