public void Run(string inputFileName, string outputFileName)
{
var lines = File.ReadAllLines(inputFileName);
var graph = new Graph();
graph.Parse(lines, true);
var result = graph.Tarjan();
File.WriteAllLines(outputFileName, result.Select(x => x.Label));
}
public void Parse_WithWeight_ShouldParse_Test()
{
// Assign
var lines = new[] { "1 2 10", "2 3 15", "3 1 20" };
var graph = new Graph();
// Act
graph.Parse(lines, true);
// Assert
Assert.AreEqual(3, graph.Vertices.Count());
Assert.AreEqual(3, graph.Edges.Count());
}
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;
}
public void Tarjans_Case1()
{
// Assign
var lines = new[]
{
"visa foreignpassport",
"visa hotel",
"visa bankstatement",
"bankstatement nationalpassport",
"hotel creditcard",
"creditcard nationalpassport",
"nationalpassport birthcertificate",
"foreignpassport nationalpassport",
"foreignpassport militarycertificate",
"militarycertificate nationalpassport"
};
var graph = new Graph();
var expectedStrings = new[]
{
"birthcertificate",
"nationalpassport",
"bankstatement",
"creditcard",
"hotel",
"militarycertificate",
"foreignpassport",
"visa"
};
var expected = expectedStrings.Aggregate((x, y) => x + Environment.NewLine + y);
// Act
graph.Parse(lines, true);
var result = graph.Tarjan();
var actual = result.Select(x => x.Label).Aggregate((x, y) => x + Environment.NewLine + y);
// Assert
Assert.AreEqual(expected, actual);
}
public void Tarjans_Case2()
{
// Assign
var lines = new[]
{
"visa foreignpassport"
};
var graph = new Graph();
var expectedStrings = new[]
{
"foreignpassport",
"visa"
};
var expected = expectedStrings.Aggregate((x, y) => x + Environment.NewLine + y);
// Act
graph.Parse(lines, true);
var result = graph.Tarjan();
var actual = result.Select(x => x.Label).Aggregate((x, y) => x + Environment.NewLine + y);
// Assert
Assert.AreEqual(expected, actual);
}
public void Tarjans_Case3()
{
// Assign
var lines = new[]
{
"cer03 cer09", "cer03 cer08", "cer03 cer07",
"cer02 cer06", "cer02 cer05", "cer02 cer04",
"cer01 cer03", "cer01 cer02"
};
var graph = new Graph();
var expectedStrings = new[]
{
"cer07", "cer08", "cer09", "cer03",
"cer04", "cer05", "cer06", "cer02",
"cer01"
};
var expected = expectedStrings.Aggregate((x, y) => x + Environment.NewLine + y);
// Act
graph.Parse(lines, true);
var result = graph.Tarjan();
var actual = result.Select(x => x.Label).Aggregate((x, y) => x + Environment.NewLine + y);
// Assert
Assert.AreEqual(expected, actual);
}
public void Tarjans_Case5()
{
// Assign
var lines = new[]
{
"a b", "c d", "e f", "g h", "i j", "k l", "m n",
"o p", "q r", "s t", "u v", "w x", "y z"
};
var graph = new Graph();
var expectedStrings = new[]
{
"b", "a", "d", "c", "f", "e", "h", "g", "j", "i", "l", "k", "n",
"m", "p", "o", "r", "q", "t", "s", "v", "u", "x", "w", "z", "y"
};
var expected = expectedStrings.Aggregate((x, y) => x + Environment.NewLine + y);
// Act
graph.Parse(lines, true);
var result = graph.Tarjan();
var actual = result.Select(x => x.Label).Aggregate((x, y) => x + Environment.NewLine + y);
// Assert
Assert.AreEqual(expected, actual);
}
public void Tarjans_Case4()
{
// Assign
var lines = new[]
{
"3a 4a", "3a 4b", "3b 4c", "3b 4d", "3c 4e",
"3c 4f", "3d 4g", "3d 4h", "2a 3a", "2a 3b",
"2b 3c", "2b 3d", "1a 2a", "1a 2b", "y z", "x v"
};
var graph = new Graph();
var expectedStrings = new[]
{
"4b", "4a", "3a", "4d", "4c", "3b",
"4f", "4e", "3c", "4h", "4g", "3d",
"2a", "2b", "1a", "z", "y", "v", "x"
};
var expected = expectedStrings.Aggregate((x, y) => x + Environment.NewLine + y);
// Act
graph.Parse(lines, true);
var result = graph.Tarjan();
var actual = result.Select(x => x.Label).Aggregate((x, y) => x + Environment.NewLine + y);
// Assert
Assert.AreEqual(expected, actual);
}