/// <summary>
/// The first puzzle.
/// </summary>
/// <param name="input">The AOCInput object for getting the input.</param>
/// <returns>The answer.</returns>
public override object Puzzle1(AOCInput input)
{
int[] software = input.GetInput(",").Select(x => int.Parse(x)).ToArray();
IntcodeComputer computer;
int[] sequence = new int[] { 0, 1, 2, 3, 4 };
var permutations = GetPermutations <int>(sequence, 5);
long maxOutput = 0;
int maxSequence = 0;
for (int i = 0; i < permutations.Count(); ++i)
{
long output = 0;
for (int j = 0; j < 5; ++j)
{
computer = new IntcodeComputer((long[])software.Clone(), false);
computer.Run(permutations.ElementAt(i).ElementAt(j), output);
output = computer.Outputs.Last();
}
if (output > maxOutput)
{
maxOutput = output;
maxSequence = i;
}
}
return(maxOutput);
}
/// <summary>
/// The second puzzle.
/// </summary>
/// <param name="input">The AOCInput object for getting the input.</param>
/// <returns>The answer.</returns>
public override object Puzzle2(AOCInput input)
{
long[] program = input.GetInput(",").Select(x => long.Parse(x)).ToArray();
IntcodeComputer computer = new IntcodeComputer(program);
computer.Run(5);
return computer.Outputs[0];
}
/// <summary>
/// The second puzzle.
/// </summary>
/// <param name="input">The AOCInput object for getting the input.</param>
/// <returns>The answer.</returns>
public override object Puzzle2(AOCInput input)
{
long[] software = input.GetInput(",").Select(x => long.Parse(x)).ToArray();
IntcodeComputer computer = new IntcodeComputer(software, false);
computer.Run(2);
return(computer.Outputs.Last());
}
/// <summary>
/// The first puzzle.
/// </summary>
/// <param name="input">The AOCInput object for getting the input.</param>
/// <returns>The answer.</returns>
public override object Puzzle1(AOCInput input)
{
int[] program = input.GetInput(",").Select(x => int.Parse(x)).ToArray();
program[1] = 12;
program[2] = 2;
IntcodeComputer computer = new IntcodeComputer(program);
return(computer.Run());
}
/// <summary>
/// The second puzzle.
/// </summary>
/// <param name="input">The AOCInput object for getting the input.</param>
/// <returns>The answer.</returns>
public override object Puzzle2(AOCInput input)
{
int[] program = input.GetInput(",").Select(x => int.Parse(x)).ToArray();
for (int noun = 0; noun < 99; ++noun)
{
for (int verb = 0; verb < 99; ++verb)
{
program[1] = noun;
program[2] = verb;
IntcodeComputer computer = new IntcodeComputer((int[])program.Clone());
int output = computer.Run();
if (output == 19690720)
{
return(100 * noun + verb);
}
}
}
return("Program failed!");
}