public static int Calculate(string fileName)
{
var input = SantasBoilerPlate.ReadFileAsString(fileName);
var inputArray = input.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
var lengthOfInputs = inputArray[0].Length;
var no_of_zeros = new int[lengthOfInputs];
var no_of_ones = new int[lengthOfInputs];
foreach (var line in inputArray)
{
var intArray = line.Select(c => int.Parse(c.ToString())).ToArray();
for (var bitPosition = 0; bitPosition < intArray.Count(); bitPosition++)
{
var bitValue = intArray[bitPosition];
if (bitValue == 1)
{
no_of_ones[bitPosition] += 1;
}
else
{
no_of_zeros[bitPosition] += 1;
}
}
}
var gamma = new int[lengthOfInputs];
var epsilon = new int[lengthOfInputs];
for (var position = 0; position < lengthOfInputs; position++)
{
if (no_of_ones[position] > no_of_zeros[position])
{
gamma[position] = 1;
epsilon[position] = 0;
}
else
{
gamma[position] = 0;
epsilon[position] = 1;
}
}
var gammaInt = GetIntFromBitArray(gamma);
var epsilonInt = GetIntFromBitArray(epsilon);
return(gammaInt * epsilonInt);
}
private Dictionary <string, List <Wire> > WireCircuitBoard(string textFile)
{
var input = SantasBoilerPlate.ReadFileAsString(textFile ?? _textFile);
var wires = input.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
var board = new Dictionary <string, List <Wire> >();
for (var wireId = 0; wireId < wires.Length; wireId++)
{
var wireMap = wires[wireId].Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
var currentLocation = new Point(0, 0);
var wire = new Wire {
Id = wireId + 1, ManhattanLength = Int32.MaxValue
};
foreach (var direction in wireMap)
{
currentLocation = Populate(board, direction, new Point(currentLocation.X, currentLocation.Y), wire);
}
}
return(board);
}
