public ReactionComponent(string definition)
{
var pair = definition.Trim().Split(" ");
Count = int.Parse(pair[0]);
Chemical = Chemical.Get(pair[1]);
}
public static long CalculateMaximumFuel()
{
long ore = 1000000000000;
var fuel = Chemical.Get("FUEL");
var store = Chemical.Chemicals.Select(kvp => kvp.Value).ToDictionary(c => c, c => 0L);
Stopwatch sw = Stopwatch.StartNew();
long count = 0;
while (ore > 0)
{
int tryProduce = 1;
//if (ore > 5000000000000) tryProduce = 1000;
//if (ore > 2000000000000) tryProduce = 100;
//if (ore > 1000000000000) tryProduce = 10;
var required = CountRequiredOre(fuel, tryProduce, store);
if (ore < required)
{
break;
}
ore -= required;
count++;
if (sw.Elapsed > TimeSpan.FromSeconds(1))
{
long spent = 1000000000000 - ore;
double percent = (double)spent / 1000000000000;
Console.WriteLine($"{percent * 100}%");
sw.Restart();
}
}
return(count);
}
public static long CountOreForOneFuel()
{
var fuel = Chemical.Get("FUEL");
var store = Chemical.Chemicals.Select(kvp => kvp.Value).ToDictionary(c => c, c => 0L);
var amount = CountRequiredOre(fuel, 1, store);
return(amount);
}
static long CountRequiredOre(Chemical chemical, long required, Dictionary <Chemical, long> store)
{
if (chemical.Name == "ORE")
{
return(required);
}
var synthesis = chemical.Synthesis;
var output = synthesis.Produces;
var stored = store[chemical];
if (stored > 0)
{
if (stored > required)
{
store[chemical] = stored - required;
return(0);
}
else
{
store[chemical] = 0;
required -= stored;
}
}
var reactionCount = (int)Math.Ceiling(required / (float)output.Count);
var produced = reactionCount * output.Count;
if (produced > required)
{
store[chemical] += (produced - required);
}
long ore = 0;
foreach (var inputComponent in synthesis.Consumes)
{
ore += CountRequiredOre(inputComponent.Chemical, inputComponent.Count * reactionCount, store);
}
return(ore);
}
public static RecipeLine GetForOutputChemical(this IEnumerable <RecipeLine> lines, Chemical chemical)
{
return(lines.Single(l => l.IsForOutputChemical(chemical)));
}
public static bool IsForOutputChemical(this RecipeLine line, Chemical chemical)
{
return(line.Output.Chemical.Equals(chemical));
}
