public string PartTwoSolve(string input)
{
var decoder = new SpaceImageFormatDecoder();
var layers = decoder.Decode(input, 25, 6).Reverse().ToList();
var outputArray = new string[6, 25];
foreach (var layer in layers)
{
for (var i = 0; i < layer.Rows.Count(); i++)
{
var row = layer.Rows.ElementAt(i).ToArray();
for (var j = 0; j < row.Count(); j++)
{
if (row[j] != 2)
{
outputArray[i, j] = row[j] == 0 ? " " : "█";
}
}
}
}
var sb = new StringBuilder();
for (var i = 0; i < outputArray.GetLength(0); i++)
{
for (var j = 0; j < outputArray.GetLength(1); j++)
{
sb.Append(outputArray[i, j]);
}
sb.Append("\n");
}
return(sb.ToString());
}
public string PartOneSolve(string input)
{
var decoder = new SpaceImageFormatDecoder();
var layers = decoder.Decode(input, 25, 6).ToList();
var minLayer = layers.First();
var minCount = int.MaxValue;
foreach (var layer in layers)
{
var currentLayerCount = layer.Rows.SelectMany(r => r).Count(r => r == 0);
if (currentLayerCount < minCount)
{
minLayer = layer;
minCount = currentLayerCount;
}
}
var oneCount = minLayer.Rows.SelectMany(r => r).Count(r => r == 1);
var twoCount = minLayer.Rows.SelectMany(r => r).Count(r => r == 2);
return((oneCount * twoCount).ToString());
}