private static int CalculateWrappingAreaForPackage(Box box)
{
var areas = new List<int>(4) {GetArea(box.Length, box.Width), GetArea(box.Width, box.Height), GetArea(box.Height, box.Length)};
var smallest = areas.OrderBy(i => i).First();
areas.Add(smallest>>1);
if (areas.Count != 4) throw new Exception("Not the correct number of elements in list");
return areas.Sum(i => i);
}
private static int CalculateLengthOfRibbonToWrapTheBox(Box box)
{
var orderedValues = new List<int> {box.Height, box.Length, box.Width}.OrderBy(i => i);
const int limit = 2;
var result = 0;
for (var i = 0; i < limit; i++)
{
result += orderedValues.ElementAt(i) + orderedValues.ElementAt(i);
}
var bow = orderedValues.Aggregate(1, (x, y) => x*y);
return result + bow;
}
public static List<Box> Puzzle1Boxes()
{
var rows = Puzzle1InputData.Split(new string[] {"\n", "\r\n"}, StringSplitOptions.RemoveEmptyEntries);
var result = new ConcurrentBag<Box>();
Parallel.ForEach(rows, (row) =>
{
var iRow = row.Trim();
var split = iRow.Split('x');
var box = new Box(int.Parse(split[0]), int.Parse(split[1]), int.Parse(split[2]));
result.Add(box);
});
return result.ToList();
}