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Diffstat (limited to 'src/CS340.TSP/Tour.cs')
| -rw-r--r-- | src/CS340.TSP/Tour.cs | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/CS340.TSP/Tour.cs b/src/CS340.TSP/Tour.cs index 27ab5a5..a4ef10f 100644 --- a/src/CS340.TSP/Tour.cs +++ b/src/CS340.TSP/Tour.cs @@ -11,9 +11,14 @@ namespace TSP public List<City> Cities { get; set; } = new List<City>(); public double Weight { - get => Cities - .Where(city => city.Parent != -1) - .Sum(city => city.Key); + get + { + if (Cities.Count == 0) + return double.MaxValue; + + return Cities.Where(city => city.Parent != -1) + .Sum(city => city.Key); + } } // indexer: get vertex where vertex.Id == index |