public Convex[] Split(int start, int end)
{
Convex one = new Convex();
Convex two = new Convex();
foreach (int a in Vertices)
{
if (a > start && a < end)
{
one.Vertices.Add(a);
}
else if (a < start || a > end)
{
two.Vertices.Add(a);
}
else
{
one.Vertices.Add(a);
two.Vertices.Add(a);
}
}
return(new Convex[] { one, two });
}
static void Main(string[] args)
{
string[] lines = File.ReadAllLines(args[0]);
StringBuilder b = new StringBuilder();
int n = int.Parse(lines[0]);
int index = 1;
for (int i = 0; i < n; i++)
{
b.AppendFormat("Case #{0}: ", i + 1);
string[] values = lines[index++].Split(' ');
int vertextNumber = int.Parse(values[0]);
int wallNumber = int.Parse(values[1]);
string[] startList = lines[index++].Split(' ');
string[] endList = lines[index++].Split(' ');
List <Convex> convexes = new List <Convex>();
Convex c = new Convex();
for (int j = 1; j <= vertextNumber; j++)
{
c.Vertices.Add(j);
}
convexes.Add(c);
for (int j = 0; j < wallNumber; j++)
{
int start = int.Parse(startList[j]);
int end = int.Parse(endList[j]);
List <Convex> newList = new List <Convex>();
foreach (Convex conv in convexes)
{
if (conv.HasLine(start, end))
{
newList.AddRange(conv.Split(start, end));
}
else
{
newList.Add(conv);
}
}
convexes = newList;
}
int maxNumber = convexes.Min(x => x.Vertices.Count);
List <Vertix> verticies = new List <Vertix>();
for (int j = 0; j < vertextNumber; j++)
{
verticies.Add(new Vertix()
{
Id = j + 1, ColorId = 0
});
}
List <Color> colors = new List <Color>();
for (int j = 0; j < maxNumber; j++)
{
colors.Add(new Color()
{
Id = j + 1
});
}
var orderdV = verticies.Select(x => x).OrderBy(x => x.ConvexCount(convexes)).Reverse();
foreach (Vertix v in orderdV)
{
var conv = convexes.Where(x => x.HasVertix(v.Id));
var candidateColors = new List <int>();
foreach (Color color in colors)
{
candidateColors.Add(conv.Where(x => x.Colors.Contains(color.Id)).Count());
}
var minColor = candidateColors.IndexOf(candidateColors.Min()) + 1;
Color color2 = colors.Where(x => x.Id == minColor).First();
foreach (Convex cx in conv)
{
cx.Colors.Add(color2.Id);
}
v.ColorId = color2.Id;
}
b.AppendLine(maxNumber.ToString());
foreach (Vertix v in verticies)
{
b.Append(v.ColorId);
b.Append(" ");
}
b.AppendLine();
}
File.WriteAllText(args[0] + ".out", b.ToString());
}
