private void BuildGuardRecords(ref Dictionary <int, GuardRecord> records, ref TimedAction[] actions)
{
TimedAction lastAction = new TimedAction();
int activeGuard = 0;
foreach (TimedAction action in actions)
{
switch (action.action)
{
case GuardAction.FallsAsleep: break;
case GuardAction.WakesUp:
UpdateGuardRecord(ref records, activeGuard, lastAction.time.Minute, action.time.Minute);
break;
case GuardAction.StartShift: activeGuard = action.guardNumber; break;
}
lastAction = action;
}
// Take a copy of the keys so we can update the dictionary for each one
List <int> keys = new List <int>(records.Keys);
foreach (int key in keys)
{
GuardRecord record = records[key];
record.sleepiestMinuteAndCount = GetCount(ref records, key);
records[key] = record;
}
}
private void UpdateGuardRecord(ref Dictionary <int, GuardRecord> records, int guardNum, int startTime, int endTime)
{
GuardRecord record = new GuardRecord();
if (records.ContainsKey(guardNum))
{
record = records[guardNum];
}
record.totalMinutesAsleep += endTime - startTime;
for (int minute = startTime; minute < endTime; ++minute)
{
record.minutesAsleep.Add(minute);
}
records[guardNum] = record;
}
