public string Process(string program, int input, int startIndex)
{
if (!_intCodeValidator.Validate(program))
{
throw new Exception("Invalid program");
}
_intCodeValidator.ValidateProgramConfiguration(program, startIndex, 3);
var intList = _intCodeValidator.SplitString(program).ToArray();
var target = intList[startIndex + 1];
intList[target] = input;
return(_intCodeValidator.Join(intList));
}
public string Process(string program, int startIndex = 0)
{
if (!_intCodeValidator.Validate(program))
{
throw new Exception("Program input is invalid");
}
_intCodeValidator.ValidateProgramConfiguration(program, startIndex, 7);
var intList = _intCodeValidator.SplitString(program).ToArray();
_intCodeValidator.ExtractOrdinals(intList, out var i1, out var i2, out var pointer, startIndex: startIndex);
ProgramConfiguration.GetParameterMode(program, out var arg1Mode, out var arg2Mode, out var pointerMode, startIndex);
var arg1 = (arg1Mode == ParameterMode.Immediate) ? intList[startIndex + 1] : intList[i1];
var arg2 = (arg2Mode == ParameterMode.Immediate) ? intList[startIndex + 2] : intList[i2];
intList[pointer] = (arg1 < arg2) ? 1 : 0;
return(_intCodeValidator.Join(intList));
}
public string Process(string program, int startIndex = 0)
{
if (!_validator.Validate(program))
{
throw new Exception("Invalid input: must be comma separated list of numbers");
}
_validator.ValidateProgramConfiguration(program, startIndex, 1);
var intList = _validator.SplitString(program).ToArray();
_validator.ExtractOrdinals(intList, out var i1, out var i2, out var pointer, startIndex: startIndex);
ProgramConfiguration.GetParameterMode(program, out var arg1Mode, out var arg2Mode, out var writeParameterMode, startIndex: startIndex);
var arg1 = (arg1Mode == ParameterMode.Immediate) ? intList[startIndex + 1] : intList[i1];
var arg2 = (arg2Mode == ParameterMode.Immediate) ? intList[startIndex + 2] : intList[i2];
intList[pointer] = arg1 + arg2;
return(_validator.Join(intList));
}
public Tuple <int, int> GetForOutput(string program, int outputValue)
{
var intList = _validator.SplitString(program).ToArray();
for (var i = 0; i < 100; i++)
{
for (var j = 0; j < 100; j++)
{
intList[1] = i;
intList[2] = j;
var output = Process(_validator.Join(intList));
var result = _validator.SplitString(output).ToArray()[0];
if (result == outputValue)
{
return(new Tuple <int, int>(i, j));
}
}
}
throw new Exception("Program did not resolve for inputs up to 100");
}