public void GivenICanChooseFromTheseSkyConditions(Table table)
{
foreach (var row in table.Rows)
{
Sky.Add(row[1], byte.Parse(row[0]));
}
}
public IList <int[]> GetSkyline(int[,] buildings)
{
var ret = new List <int[]>();
var sky = new Sky();
for (int i = 0; i < buildings.GetLength(0); i++)
{
while (sky.Count > 0 && sky.MinX < buildings[i, 0])
{
int x = sky.MinX;
int y = sky.Remove();
if (y > sky.MaxY)
{
ret.Add(new int[] { x, sky.MaxY });
}
}
if (ret.Count > 0 && buildings[i, 0] == ret[ret.Count - 1][0]) // same x
{
ret[ret.Count - 1][1] = Math.Max(ret[ret.Count - 1][1], buildings[i, 2]);
}
else if (ret.Count == 0 || buildings[i, 2] > ret[ret.Count - 1][1]) // a new higher y
{
ret.Add(new int[] { buildings[i, 0], buildings[i, 2] });
}
sky.Add(buildings[i, 1], buildings[i, 2]); // add the ending of this building
}
while (sky.Count > 0)
{
int x = sky.MinX;
int y = sky.Remove();
if (y > sky.MaxY)
{
ret.Add(new int[] { x, sky.MaxY });
}
}
return(ret);
}