// == == == == == Puzzle 1 == == == == ==
public static int Puzzle1(string input)
{
var records = new List <Record>();
// Parse input
foreach (var rawRecord in Common.ParseStringArray(input))
{
var record = new Record(rawRecord);
records.Add(record);
}
records.Sort((x, y) => x.Time.CompareTo(y.Time));
// Create ShiftInfos
var guardStats = new Dictionary <int, GuardStats>();
GuardStats gs;
ShiftInfo si = null;
foreach (var record in records)
{
// Shift Start
if (record.Type == Record.RecordType.ShiftStart)
{
// Next guard
si = new ShiftInfo(record);
if (guardStats.TryGetValue(record.ID, out gs))
{
gs.AddShift(si);
}
else
{
gs = new GuardStats();
gs.ID = si.ID;
gs.AddShift(si);
guardStats.Add(gs.ID, gs);
}
}
// FallAsleep / WakeUp
else
{
si.AddRecord(record);
}
}
// Find sleepiest guard
int maxAsleepMin = 0, maxAsleepID = 0;
foreach (var guard in guardStats)
{
var minSleep = guard.Value.MinutesAsleep;
if (minSleep > maxAsleepMin)
{
maxAsleepMin = minSleep;
maxAsleepID = guard.Value.ID;
}
}
return(guardStats[maxAsleepID].FindSleepiestMinute(out int noNeed) * maxAsleepID);
}
// == == == == == Puzzle 2 == == == == ==
public static int Puzzle2(string input)
{
// CopyPaste from Puzzle 1
var records = new List <Record>();
// Parse input
foreach (var rawRecord in Common.ParseStringArray(input))
{
var record = new Record(rawRecord);
records.Add(record);
}
records.Sort((x, y) => x.Time.CompareTo(y.Time));
// Create ShiftInfos
var guardStats = new Dictionary <int, GuardStats>();
GuardStats gs;
ShiftInfo si = null;
foreach (var record in records)
{
// Shift Start
if (record.Type == Record.RecordType.ShiftStart)
{
// Next guard
si = new ShiftInfo(record);
if (guardStats.TryGetValue(record.ID, out gs))
{
gs.AddShift(si);
}
else
{
gs = new GuardStats();
gs.ID = si.ID;
gs.AddShift(si);
guardStats.Add(gs.ID, gs);
}
}
// FallAsleep / WakeUp
else
{
si.AddRecord(record);
}
}
// Puzzle 2 modifications
int asleepTimesMax = 0, asleepMinuteMax = 0, asleepIDMax = 0; // Max values
int asleepTimes, asleepMinute;
foreach (var guard in guardStats)
{
// Need to get this value to populate array on Shift objects
// Should be rewritten to calculate all stats on GuardStats class, then access as variables
var noNeed = guard.Value.MinutesAsleep;
asleepMinute = guard.Value.FindSleepiestMinute(out asleepTimes);
if (asleepTimes > asleepTimesMax)
{
asleepTimesMax = asleepTimes;
asleepMinuteMax = asleepMinute;
asleepIDMax = guard.Value.ID;
}
}
return(asleepMinuteMax * asleepIDMax);
}