public override List <PairHelper> GetDivePairs(List <Diver> divers, DiveSchedule diveSchedule)
{
List <PairHelper> pairList = new List <PairHelper>();
// Sort diver by depth determined by certification
divers = divers.OrderBy(x => x.certificate.depth).ToList();
int start = 0;
int end = divers.Count() - 1;
int numOfDivers = diveSchedule.numOfDivers;
while (numOfDivers > 0)
{
if (numOfDivers % 2 == 0)
{
numOfDivers -= 2;
pairList.Add(new PairHelper(new List <Diver>()
{
divers[start++], divers[end--]
}, diveSchedule.maxDepth));
}
else
{
numOfDivers -= 3;
pairList.Add(new PairHelper(new List <Diver>()
{
divers[start], divers[start + 1], divers[end--]
}, diveSchedule.maxDepth));
start += 2;
}
}
return(pairList);
}
public override List <PairHelper> GetDivePairs(List <Diver> divers, DiveSchedule diveSchedule)
{
List <PairHelper> pairList = new List <PairHelper>();
int start = 0,
end = divers.Count() - 1,
numOfDivers = diveSchedule.numOfDivers;
// Random sort divers array
divers = divers.OrderBy(x => Guid.NewGuid()).ToList();
while (numOfDivers > 0)
{
if (numOfDivers % 2 == 0)
{
numOfDivers -= 2;
pairList.Add(new PairHelper(new List <Diver>()
{
divers[start++], divers[end--]
}, diveSchedule.maxDepth));
}
else
{
numOfDivers -= 3;
pairList.Add(new PairHelper(new List <Diver>()
{
divers[start], divers[start + 1], divers[end--]
}, diveSchedule.maxDepth));
start += 2;
}
}
return(pairList);
}
/// <summary>
/// Get minimum safe dive
/// </summary>
/// <param name="institution">Institution we're inspecting/visiting</param>
/// <returns>Minimum safe dive</returns>
public DiveSchedule Visit(InstitutionAbstract institution)
{
DiveSchedule minSafeDive = null;
float minSafetyMeasure = 0;
float safetyMeasurePerDive = 0;
foreach (DiveSchedule dive in institution.diveSchedule)
{
safetyMeasurePerDive = dive.safetyMeasure / dive.diveGroups.Count();
if (safetyMeasurePerDive > minSafetyMeasure)
{
minSafeDive = dive;
minSafetyMeasure = safetyMeasurePerDive;
}
}
return(minSafeDive);
}
public override List <PairHelper> GetDivePairs(List <Diver> diversList, DiveSchedule diveSchedule)
{
List <Diver> divers = new List <Diver>(diversList);
List <PairHelper> pairList = new List <PairHelper>();
List <Diver> leftovers = new List <Diver>();
int numOfDivers = diveSchedule.numOfDivers;
bool tripleAdded = false;
// Create groups for divers who have their pair
// And create list with divers who don't have their pair
while (numOfDivers != 0)
{
int counter = 1;
List <int> diverPositions = new List <int>();
string firstLvlInArr = divers[0].certificate.level;
for (int i = 1; i < divers.Count(); i++)
{
if (firstLvlInArr == divers[i].certificate.level)
{
diverPositions.Add(i);
counter++;
}
}
if (numOfDivers == 3 && leftovers.Count() != 1)
{
numOfDivers -= 3;
pairList.Add(new PairHelper(new List <Diver>()
{
divers[0], divers[1], divers[2]
}, diveSchedule.maxDepth));
}
// Odd number of divers
else if (diveSchedule.numOfDivers % 2 != 0)
{
if (counter >= 3 && !tripleAdded)
{
tripleAdded = true;
numOfDivers -= 3;
pairList.Add(new PairHelper(new List <Diver>()
{
divers[0], divers[diverPositions[0]], divers[diverPositions[1]]
}, diveSchedule.maxDepth));
divers.RemoveAt(0);
divers.RemoveAt(diverPositions[0] - 1);
divers.RemoveAt(diverPositions[1] - 2);
}
else if (counter >= 2)
{
numOfDivers -= 2;
pairList.Add(new PairHelper(new List <Diver>()
{
divers[0], divers[diverPositions[0]]
}, diveSchedule.maxDepth));
divers.RemoveAt(0);
divers.RemoveAt(diverPositions[0] - 1);
}
else if (counter == 1)
{
leftovers.Add(divers[0]);
divers.RemoveAt(0);
numOfDivers--;
}
}
else if (diveSchedule.numOfDivers % 2 == 0)
{
if (counter >= 2)
{
numOfDivers -= 2;
pairList.Add(new PairHelper(new List <Diver>()
{
divers[0], divers[diverPositions[0]]
}, diveSchedule.maxDepth));
divers.RemoveAt(0);
divers.RemoveAt(diverPositions[0] - 1);
}
else if (counter == 1)
{
leftovers.Add(divers[0]);
divers.RemoveAt(0);
numOfDivers--;
}
}
}
// Create groups from leftovers :(
numOfDivers = leftovers.Count();
int start = 0;
while (numOfDivers > 0)
{
if (numOfDivers % 2 == 0)
{
numOfDivers -= 2;
pairList.Add(new PairHelper(new List <Diver>()
{
leftovers[start], leftovers[start + 1]
}, diveSchedule.maxDepth));
start += 2;
}
else if (numOfDivers % 2 != 0)
{
numOfDivers -= 3;
pairList.Add(new PairHelper(new List <Diver>()
{
leftovers[start], leftovers[start + 1], leftovers[start + 2]
}, diveSchedule.maxDepth));
start += 3;
}
}
return(pairList);
}
public abstract List <PairHelper> GetDivePairs(List <Diver> diver, DiveSchedule diveSchedule);
/// <summary>
/// Update dive schedule list when subject transmits update
/// </summary>
/// <param name="subject">concrete subject</param>
public override void Update(Subject subject)
{
DiveSchedule dive = subject.GetDive();
diveSchedule.Add(dive);
}
