static int SolveMT()
{
var lines = TextFile.ReadStringList("kart.txt");
var map = MatrixFactory.BuildCharMatrix(lines);
var vacuum = MatrixFactory.BuildCharMatrix(vacuumText.Split("\n").ToList());
var brush = MatrixFactory.BuildCharMatrix(brushText.Split("\n").ToList());
int nx = 5;
int ny = 5;
Task[] tasks = new Task[nx * ny];
int chunkwidth = map.Width / nx;
int chunkheight = map.Height / nx;
for (int chunky = 0; chunky < ny; chunky++)
{
for (int chunkx = 0; chunkx < nx; chunkx++)
{
int cx = chunkx * chunkwidth;
int cy = chunky * chunkheight;
tasks[chunky * nx + chunkx] = Task.Run(() =>
{
for (int y = cy; y < cy + chunkheight; y++)
{
if (y > map.Height - vacuum.Height)
{
continue;
}
for (int x = cx; x < cx + chunkwidth; x++)
{
if (x > map.Width - vacuum.Width)
{
continue;
}
if (!AnyOverlappingValue(map, vacuum, x, y, 'x'))
{
StampValue(map, brush, x - 1, y - 1, '.');
}
}
}
}
);
}
}
Task.WaitAll(tasks);
return(map.Array.Count(c => c == ' '));
}
static int Solve()
{
var lines = TextFile.ReadStringList("kart.txt");
var map = MatrixFactory.BuildCharMatrix(lines);
var vacuum = MatrixFactory.BuildCharMatrix(vacuumText.Split("\n").ToList());
var brush = MatrixFactory.BuildCharMatrix(brushText.Split("\n").ToList());
for (int y = 0; y <= map.Height - vacuum.Height; y++)
{
for (int x = 0; x <= map.Width - vacuum.Width; x++)
{
if (!AnyOverlappingValue(map, vacuum, x, y, 'x'))
{
StampValue(map, brush, x - 1, y - 1, '.');
}
}
}
return(map.Array.Count(c => c == ' '));
}
