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To aid in building a solver, the following resources are available under the Background information and Traning instances pages:

  • A problem description.
  • Training instance data along with a feasible solution for each instance.
  • A file format description of both the input instance data files, and the output solution data files. 
  • A mathematical model. Again, it is not mandatory to use the model provided, it is only there for assistance. 
  • A verification tool to assess feasibility and quality of the solutions the participants reach.
  • A leaderboard page that shows the best solution quality obtained for each training instance. Participants may submit their solution files of any instance through their account, we will verify the solution(s) and update the leaderboard's page once a week.