static void Main(string[] args)
{
var grid = new Grid();
var wire = new Wire(1);
foreach (var line in File.ReadAllLines(args[0]))
{
var path = WirePath.FromPathString(line);
grid.DrawWire(wire, path);
wire = wire.Next();
}
Console.WriteLine(grid.WhatIsTheFewestCombinedStepsTheWiresMustTakeToReachAnIntersection());
}
public void DrawWire(Wire wire, WirePath path)
{
foreach (var move in path.Walk(CentralPort))
{
Console.WriteLine("Wire{4}: step={0}, square={1}, first={2}, last={3}", move.Step, move.Square, move.FirstInstructionMove, move.LastInstructionMove, wire);
if (!_cells.TryGetValue(move.Square, out var cell))
{
cell = new GridCell();
_cells.Add(move.Square, cell);
}
cell.CrossedBy(wire, move.Step);
}
}