public int Problem1(string input)
{
var map = Mapper.ConvertToMap(input, Convert);
for (var loop = 0; loop < 10; loop++)
{
var newMap = new TileState[map.GetLength(0), map.GetLength(1)];
for (var i = 0; i < map.GetLength(0); i++)
{
for (var j = 0; j < map.GetLength(1); j++)
{
var surrounding = GetNeighbours(map, i, j);
var current = map[i, j];
newMap[i, j] = current;
if (current == TileState.Open && surrounding.Count(it => it == TileState.Trees) >= 3)
{
newMap[i, j] = TileState.Trees;
}
if (current == TileState.Trees && surrounding.Count(it => it == TileState.Lumber) >= 3)
{
newMap[i, j] = TileState.Lumber;
}
if (current == TileState.Lumber && (!surrounding.Any(it => it == TileState.Lumber) || !surrounding.Any(it => it == TileState.Trees)))
{
newMap[i, j] = TileState.Open;
}
}
}
map = newMap;
Console.WriteLine("After" + (loop + 1) + " minutes");
Dumper.DumpMap(map, ConvertBack);
}
var totalTrees = 0;
var totalLumber = 0;
for (var i = 0; i < map.GetLength(0); i++)
{
for (var j = 0; j < map.GetLength(1); j++)
{
if (map[i, j] == TileState.Trees)
{
totalTrees++;
}
else if (map[i, j] == TileState.Lumber)
{
totalLumber++;
}
}
}
return(totalTrees * totalLumber);
}