tasks/buchheim2018/instance_schema.json

{
  "grid_size_k": "<int> Side length of the square grid network.",
  "num_nodes": "<int> Total number of nodes in the grid network.",
  "num_arcs": "<int> Total number of directed arcs in the grid network.",
  "source_node": "<int> Identifier of the origin node where the path must start.",
  "target_node": "<int> Identifier of the destination node where the path must end.",
  "nodes": [
    {
      "id": "<int> Unique identifier of this node in row-major order.",
      "row": "<int> Row position of this node in the grid.",
      "col": "<int> Column position of this node in the grid."
    }
  ],
  "arcs": [
    {
      "id": "<int> Unique identifier of this arc.",
      "from_node": "<int> Identifier of the node where this arc originates.",
      "to_node": "<int> Identifier of the node where this arc terminates."
    }
  ],
  "linear_costs": "<list[int], length num_arcs> Traversal cost incurred for using each arc in the path.",
  "quadratic_costs": "<list[list[int]], shape [num_arcs][num_arcs]> Symmetric interaction cost incurred when each pair of arcs both appear in the chosen path, with zero diagonal entries."
}