diff options
Diffstat (limited to 'Day14.cs')
| -rw-r--r-- | Day14.cs | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/Day14.cs b/Day14.cs index e4c46e8..1aff2bf 100644 --- a/Day14.cs +++ b/Day14.cs @@ -22,7 +22,7 @@ namespace aoc2019 private bool Consume(string chem, long quantity) { if (quantity <= 0) - throw new ArgumentOutOfRangeException(); + throw new ArgumentOutOfRangeException(nameof(quantity)); if (!available!.ContainsKey(chem)) available[chem] = 0; @@ -59,9 +59,16 @@ namespace aoc2019 public override string Part2() { - available = new Dictionary<string, long> {{"ORE", 1000000000000}}; - Consume("FUEL", long.MaxValue); - return ""; + const long capacity = 1_000_000_000_000; + available = new Dictionary<string, long> {{"ORE", capacity}}; + Consume("FUEL", 1); + + var oreConsumed = capacity - available["ORE"]; + while (Produce("FUEL", Math.Max(1, available["ORE"] / oreConsumed))) + { + } + + return $"{available["FUEL"]}"; } private struct Component |