private IEnumerable <string> LastMoments()
{
var lastMoments = new HashSet <string>();
while (true)
{
var program = RandomProgram.Generate();
var output = ExecuteSpringdroidProgram(program);
if (!output.Any(c => c > 255))
{
var lines = new string(output.Select(v => (char)v).ToArray()).Split('\n');
var lastMoment = lines.First(line => "#@".All(line.Contains));
if (!lastMoments.Contains(lastMoment))
{
lastMoments.Add(lastMoment);
yield return(lastMoment);
}
}
}
}
private (long, int, string) FindHullDamageResultByBruteForce(int length)
{
var memo = new HashSet <uint>();
var step = 0;
while (true)
{
var program = RandomProgram.Generate(length);
var signature = Hashing.Hash(program);
if (memo.Contains(signature))
{
continue;
}
memo.Add(signature);
var damage = FindHullDamage(program);
if (damage > 0)
{
return(damage, step, program);
}
step++;
}
}