public static long Run(string input)
{
//input = _input;
var nums = InputUtils.SplitLinesIntoLongList(input);
for (int i = PREAMBLE; i < nums.Count; i++)
{
var sum = nums[i];
if (!Has2Addends(nums, sum, i))
{
return(GetSmallPlusLarge(nums, sum, i));
}
}
return(-1);
}
public static int Run(string input)
{
int matches = 0;
var passwordSets = InputUtils.SplitLinesIntoPasswordList(input);
foreach (var passwordSet in passwordSets)
{
var count = passwordSet.Password.Count(c => c == passwordSet.Letter.ToCharArray()[0]);
if (count >= passwordSet.Min && count <= passwordSet.Max)
{
matches++;
}
}
return(matches);
}
public static int RunPart2(string input)
{
int matches = 0;
var passwordSets = InputUtils.SplitLinesIntoPasswordList(input);
foreach (var passwordSet in passwordSets)
{
var password = passwordSet.Password;
var letter = passwordSet.Letter;
if ((password[passwordSet.Min - 1] == letter.ToCharArray()[0] && password[passwordSet.Max - 1] != letter.ToCharArray()[0]) ||
(password[passwordSet.Min - 1] != letter.ToCharArray()[0] && password[passwordSet.Max - 1] == letter.ToCharArray()[0]))
{
matches++;
}
}
return(matches);
}
public static int Run(string input)
{
var commands = new List <Day8Command>();
//input = _input;
var lines = InputUtils.SplitLinesIntoStringArray(input);
foreach (var line in lines)
{
var tokens = line.Trim().Split(" ");
var command = new Day8Command()
{
Command = tokens[0], Value = int.Parse(tokens[1])
};
commands.Add(command);
}
for (int i = 0; i < commands.Count; i++)
{
var commandsCopy = commands.ConvertAll(command => new Day8Command()
{
Command = command.Command, Value = command.Value
});
if (commandsCopy[i].Command == "acc")
{
continue;
}
else
{
if (commandsCopy[i].Command == "nop")
{
commandsCopy[i].Command = "jmp";
}
else
{
commandsCopy[i].Command = "nop";
}
}
var result = new Day8Program().RunProgram(commandsCopy);
if (result != -999999)
{
return(result);
}
}
return(-1);
}
public static long Run(string input)
{
var map = InputUtils.SplitLinesIntoStringArray(input);
var treeValues = new List <int>();
treeValues.Add(GetTreesValue(map, 1, 1));
treeValues.Add(GetTreesValue(map, 3, 1));
treeValues.Add(GetTreesValue(map, 5, 1));
treeValues.Add(GetTreesValue(map, 7, 1));
treeValues.Add(GetTreesValue(map, 1, 2));
long product = 1;
foreach (var treeValue in treeValues)
{
product *= (long)treeValue;
}
return(product);
}
//private static Dictionary<string, List<Day7BagContents>> _dynamicColorDict;
public static long Run(string input)
{
//input = _input2;
var lines = InputUtils.SplitLinesIntoStringArray(input);
_colorDict = GetColorDict(lines);
_dynamicNumBagsDict = new Dictionary <string, long>();
//foreach (var kvp in _colorDict)
//{
// var bagCount = GetBagCount(kvp.Key);
// if (!_dynamicNumBagsDict.ContainsKey(kvp.Key))
// {
// _dynamicNumBagsDict.Add(kvp.Key, bagCount);
// }
//}
return(GetBagCount("shiny gold"));
}
public static long Run(string input)
{
//input = _input;
var joltageIntList = InputUtils.SplitLinesIntoIntList(input);
joltageIntList.Sort();
joltageIntList.Reverse();
long combos = 0;
var joltageList = new List <Day10Joltage>();
for (int i = 0; i < joltageIntList.Count; i++)
{
joltageList.Add(new Day10Joltage {
Joltage = joltageIntList[i], Pos = i
});
}
var nextJoltages = GetValidNextJoltages(joltageList, 0);
foreach (var joltage in nextJoltages)
{
combos += GetCombinations(joltageList, joltage.Pos, 0);
}
return(combos);
}
