public static int Run(int first, int second)
{
List <int> numbers = AdventUtils.ReadCommaIntList("Inputs/Day2Input.txt");
numbers[1] = first;
numbers[2] = second;
int currentPoint = 0;
while (true)
{
if (numbers[currentPoint] == 99)
{
return(numbers[0]);
}
int instruction = numbers[currentPoint];
var value1 = numbers[currentPoint + 1];
var value2 = numbers[currentPoint + 2];
var position = numbers[currentPoint + 3];
if (instruction != 1 && instruction != 2)
{
throw new Exception("Uh Oh");
}
numbers[position] = instruction == 1 ? numbers[value1] + numbers[value2] : numbers[value1] * numbers[value2];
currentPoint += 4;
}
}
public static int Run()
{
List <int> numbers = AdventUtils.ReadCommaIntList("Inputs/Day5Input.txt");
int location = 0;
while (numbers[location] != 99)
{
(int, List <(bool, int)>)nextCode = ReadOpCode(numbers, location);
RunOpCode(nextCode.Item1, nextCode.Item2, numbers, ref location);
}
return(0);
}
static public int Run()
{
int maxValue = int.MinValue;
List <int> instructions = AdventUtils.ReadCommaIntList("Inputs/Day7Input.txt");
List <int> opCodes = new List <int>()
{
0, 1, 2, 3, 4
};
var things = opCodes.Permute();
foreach (var foo in things)
{
var thing = foo.GetEnumerator();
thing.MoveNext();
int output1 = IntCode.Run(new List <int>(instructions), new List <int>()
{
thing.Current, 0
});
thing.MoveNext();
int output2 = IntCode.Run(new List <int>(instructions), new List <int>()
{
thing.Current, output1
});
thing.MoveNext();
int output3 = IntCode.Run(new List <int>(instructions), new List <int>()
{
thing.Current, output2
});
thing.MoveNext();
int output4 = IntCode.Run(new List <int>(instructions), new List <int>()
{
thing.Current, output3
});
thing.MoveNext();
int output5 = IntCode.Run(new List <int>(instructions), new List <int>()
{
thing.Current, output4
});
maxValue = Math.Max(maxValue, output5);
}
return(maxValue);
}