public Day07() : base(07, 2020, "")
{
foreach (string line in Input.SplitByNewline())
{
string[] parts = line.Split("bags contain");
string[] bags = parts[1].Replace(".", "").Trim().Split(",");
OuterBag t = new OuterBag();
t.color = parts[0].Replace(" bags", "").Trim();
t.inner = new List <InnerBag>();
foreach (string inner in bags)
{
if (inner.Trim() == "no other bags")
{
break;
}
// First character is a qty, the rest is a bag
string[] innerBag = inner.Trim().Split(" ", 2);
t.inner.Add(new InnerBag()
{
qty = Int32.Parse(innerBag[0]), color = innerBag[1].Replace(" bags", "").Replace(" bag", "").Trim()
});
}
rules.Add(t);
}
}
private int bagCount(OuterBag bag)
{
// Need to process this rule including ourselve
int count = 1;
// How many inner bags?
foreach (var ib in bag.inner)
{
count += bagCountIB(ib);
}
return(count);
}