public long FindMinimumLatency(string[] lines)
{
var graph = new Graph();
graph.Parse(lines.Skip(2).ToArray());
var clientVerticesLabels = lines[1].Split(' ');
var clientVertices = new HashSet<Vertex>(clientVerticesLabels.Select(vertexLabel => graph[vertexLabel]));
long minimumLatency = long.MaxValue;
foreach (var currentVertex in graph.Vertices.Where(vertex => !clientVertices.Contains(vertex)))
{
var roadmap = graph.Dijkstra(currentVertex);
var currentMinimumLatency = clientVertices.Max(x => roadmap[x].Distance);
if (currentMinimumLatency < minimumLatency)
{
minimumLatency = currentMinimumLatency;
}
}
return minimumLatency;
}