private int FindIdOfClaimWithNoOverlap(string input)
{
var fabricClaims = new List <FabricClaim>();
var coordinateMap = new Dictionary <Coordinate, int>();
string[] elfFabricClaims = Parsing.SplitOnNewLine(input);
foreach (string claimString in elfFabricClaims)
{
FabricClaim fabricClaim = ConvertFabricClaimString(claimString);
fabricClaims.Add(fabricClaim);
foreach (Coordinate coordinate in fabricClaim.Coordinates)
{
if (coordinateMap.ContainsKey(coordinate))
{
coordinateMap[coordinate]++;
}
else
{
coordinateMap.Add(coordinate, 1);
}
}
}
return(fabricClaims
.Single(c => c.Coordinates.All(coor => coordinateMap[coor] == 1))
.Id);
}
private int CalculateSquareInchesOfOverlappedFabric(string input)
{
var coordinateMap = new Dictionary <Coordinate, int>();
string[] elfFabricClaims = Parsing.SplitOnNewLine(input);
foreach (string claimString in elfFabricClaims)
{
FabricClaim fabricClaim = ConvertFabricClaimString(claimString);
foreach (Coordinate coordinate in fabricClaim.Coordinates)
{
if (coordinateMap.ContainsKey(coordinate))
{
coordinateMap[coordinate]++;
}
else
{
coordinateMap.Add(coordinate, 1);
}
}
}
return(coordinateMap.Where(kvp => kvp.Value > 1).Count());;
}
private FabricClaim ConvertFabricClaimString(string claimString)
{
var fabricClaim = new FabricClaim();
string[] delimitedValues = claimString.Split(new[] { " @ ", ": " }, StringSplitOptions.None);
fabricClaim.Id = int.Parse(delimitedValues[0].Substring(1));
string[] positionInfo = delimitedValues[1].Split(',');
string[] sizeInfo = delimitedValues[2].Split('x');
int cornerCoordinateX = int.Parse(positionInfo[0]) + 1;
int cornerCoordinateY = int.Parse(positionInfo[1]) + 1;
fabricClaim.Width = int.Parse(sizeInfo[0]);
fabricClaim.Height = int.Parse(sizeInfo[1]);
for (int i = cornerCoordinateX; i < cornerCoordinateX + fabricClaim.Width; i++)
{
for (int j = cornerCoordinateY; j < cornerCoordinateY + fabricClaim.Height; j++)
{
fabricClaim.Coordinates.Add(new Coordinate {
X = i, Y = j
});
}
}
return(fabricClaim);
}