public string PartTwoSolve(string input)
{
var rom = new ReadOnlyDictionary <long, long>(_parser.ParseProgram(input));
var computer = new IntcodeComputer();
var maxThrust = 0;
for (var a = 5; a < 10; a++)
{
for (var b = 5; b < 10; b++)
{
for (var c = 5; c < 10; c++)
{
for (var d = 5; d < 10; d++)
{
for (var e = 5; e < 10; e++)
{
var nums = new[]
{
a, b, c, d, e
};
var numSet = new HashSet <int>
{
a, b, c, d, e
};
if (nums.Length > numSet.Count)
{
continue;
}
var programStates = new List <IntcodeState>
{
new IntcodeState
{
Input = new Queue <int>(),
Memory = rom.ToDictionary(kvp => kvp.Key, kvp => kvp.Value),
Output = new List <string>(),
InstructionPointer = 0,
BreakOnOutput = true
},
new IntcodeState
{
Input = new Queue <int>(),
Memory = rom.ToDictionary(kvp => kvp.Key, kvp => kvp.Value),
Output = new List <string>(),
InstructionPointer = 0,
BreakOnOutput = true
},
new IntcodeState
{
Input = new Queue <int>(),
Memory = rom.ToDictionary(kvp => kvp.Key, kvp => kvp.Value),
Output = new List <string>(),
InstructionPointer = 0,
BreakOnOutput = true
},
new IntcodeState
{
Input = new Queue <int>(),
Memory = rom.ToDictionary(kvp => kvp.Key, kvp => kvp.Value),
Output = new List <string>(),
InstructionPointer = 0,
BreakOnOutput = true
},
new IntcodeState
{
Input = new Queue <int>(),
Memory = rom.ToDictionary(kvp => kvp.Key, kvp => kvp.Value),
Output = new List <string>(),
InstructionPointer = 0,
BreakOnOutput = true
}
};
programStates[0].Input.Enqueue(a);
programStates[0].Input.Enqueue(0);
programStates[1].Input.Enqueue(b);
programStates[2].Input.Enqueue(c);
programStates[3].Input.Enqueue(d);
programStates[4].Input.Enqueue(e);
while (programStates.Any(s => !s.Halted))
{
for (var i = 0; i < programStates.Count; i++)
{
computer.Compute(programStates[i]);
if (i == programStates.Count - 1)
{
programStates[0].Input.Enqueue(int.Parse(programStates[i].Output.Last()));
}
else
{
programStates[i + 1].Input
.Enqueue(int.Parse(programStates[i].Output.Last()));
}
}
}
var currentThrust = int.Parse(programStates.Last().Output.Last());
if (currentThrust > maxThrust)
{
maxThrust = currentThrust;
}
}
}
}
}
}
return(maxThrust.ToString());
}
public string PartOneSolve(string input)
{
var rom = new ReadOnlyDictionary <long, long>(_parser.ParseProgram(input));
var computer = new IntcodeComputer();
var maxThrust = 0;
for (var a = 0; a < 5; a++)
{
for (var b = 0; b < 5; b++)
{
for (var c = 0; c < 5; c++)
{
for (var d = 0; d < 5; d++)
{
for (var e = 0; e < 5; e++)
{
var nums = new[]
{
a, b, c, d, e
};
var numSet = new HashSet <int>
{
a, b, c, d, e
};
if (nums.Length > numSet.Count)
{
continue;
}
var state = GetFreshState(rom);
state.Input.Enqueue(a);
state.Input.Enqueue(0);
computer.Compute(state);
var output = state.Output.First();
state = GetFreshState(rom);
state.Input.Enqueue(b);
state.Input.Enqueue(int.Parse(output));
computer.Compute(state);
output = state.Output.First();
state = GetFreshState(rom);
state.Input.Enqueue(c);
state.Input.Enqueue(int.Parse(output));
computer.Compute(state);
output = state.Output.First();
state = GetFreshState(rom);
state.Input.Enqueue(d);
state.Input.Enqueue(int.Parse(output));
computer.Compute(state);
output = state.Output.First();
state = GetFreshState(rom);
state.Input.Enqueue(e);
state.Input.Enqueue(int.Parse(output));
computer.Compute(state);
var currentThrust = int.Parse(state.Output.First());
if (currentThrust > maxThrust)
{
maxThrust = currentThrust;
}
}
}
}
}
}
return(maxThrust.ToString());
}