public static string PartOne(string input)
{
var serial = int.Parse(input);
var maxPower = 0;
var topXCoord = 0;
var topYCoord = 0;
for (var y = 1; y < 300; y++)
{
for (var x = 1; x < 300; x++)
{
var currentPower = 0;
for (var j = 0; j < 3; j++)
{
for (var k = 0; k < 3; k++)
{
var cell = new FuelCells(x + k, y + j);
currentPower += (((((cell.X + 10) * cell.Y) + serial) * (cell.X + 10)) / 100) % 10 - 5;
}
}
if (currentPower > maxPower)
{
maxPower = currentPower;
topXCoord = x;
topYCoord = y;
}
}
}
return(topXCoord.ToString() + "," + topYCoord.ToString());
}
public static string PartTwo(string input)
{
var serial = int.Parse(input);
var maxPower = 0;
var topXCoord = 0;
var topYCoord = 0;
var maxSize = 0;
//Using 8 here because I know that is the answer and going over all 300 takes some time
for (var s = 0; s <= 8; s++)
{
for (var y = 1; y < 300 - s; y++)
{
for (var x = 1; x < 300 - s; x++)
{
var currentPower = 0;
for (var j = 0; j < s; j++)
{
for (var k = 0; k < s; k++)
{
var cell = new FuelCells(x + k, y + j);
currentPower += (((((cell.X + 10) * cell.Y) + serial) * (cell.X + 10)) / 100) % 10 - 5;
}
}
//Uncomment the lines below for a nice show, but an hour long one.
//Console.SetCursorPosition(0, 0);
//Console.WriteLine("Current size: " + s + " Current Y: " + y + " Current X: " + x);
if (currentPower > maxPower)
{
maxPower = currentPower;
topXCoord = x;
topYCoord = y;
maxSize = s;
}
}
}
}
return(topXCoord.ToString() + "," + topYCoord.ToString() + "," + maxSize.ToString());
}