public List <MataKuliah> cloneListMK(List <MataKuliah> LM)
{
List <MataKuliah> temp = new List <MataKuliah>();
foreach (MataKuliah s in LM)
{
MataKuliah n = new MataKuliah(s);
temp.Add(n);
}
return(temp);
}
//Copy Constructor
public MataKuliah(MataKuliah n)
{
setNamaMatkul(n.getNamaMatKul());
setRuanganDom(n.getRuanganDom());
setRuanganSol(n.getRuanganSol());
jamDom = new int[2];
setJamDomAwal(n.getJamDomAwal());
setJamDomAkhir(n.getJamDomAkhir());
setJamSol(n.getJamSol());
hariDom = new int[n.getHariDom().Length];
setHariDom(n.getHariDom());
setHariSol(n.getHariSol());
setSks(n.getSks());
}
static private List <MataKuliah> deepClone(List <MataKuliah> listMK, int banyakJadwal)
{
List <MataKuliah> ltemp = new List <MataKuliah>();
for (int i = 0; i < banyakJadwal; i++)
{
MataKuliah temp = new MataKuliah();
temp.setNamaMatkul(listMK[i].getNamaMatKul());
temp.setRuanganDom(listMK[i].getRuanganDom());
temp.setRuanganSol(listMK[i].getRuanganSol());
temp.setJamDomAwal(listMK[i].getJamDomAwal());
temp.setJamDomAkhir(listMK[i].getJamDomAkhir());
temp.setJamSol(listMK[i].getJamSol());
temp.setHariDom(listMK[i].getHariDom());
temp.setHariSol(listMK[i].getHariSol());
temp.setSks(listMK[i].getSks());
ltemp.Add(temp);
}
return(ltemp);
}
public void ubahMataKuliah(ref List <MataKuliah> LMK, MataKuliah MK, int hari, int jam, String namaRuangan)
{
if (LMK != null)
{
int i = 0;
while (i < LMK.Count())
{
if (LMK[i].getNamaMatKul() == MK.getNamaMatKul())
{
break;
}
else
{
++i;
}
}
LMK[i].setHariSol(hari);
LMK[i].setJamSol(jam);
LMK[i].setRuanganSol(namaRuangan);
}
}
public Boolean checkAvail(MataKuliah MK, List <Ruangan> LR)
{
Boolean avail = false;
int i = 0;
while (i < LR.Count())
{
if (MK.getRuanganSol() == LR[i].getNamaRuangan())
{
break;
}
i++;
}
if (i < LR.Count())
{
if (i != 0)
{
--i;
}
if ((MK.getJamSol() >= LR[i].getjamMulai()) && (MK.getJamSol() + MK.getSks() <= LR[i].getjamAkhir()))
{
foreach (int j in LR[i].getHariAvailable())
{
if (MK.getHariSol() == j)
{
avail = true;
break;
}
}
}
}
else
{
avail = false;
return(avail);
}
return(avail);
}
static void Main(string[] args)
{
FileParser fp = new FileParser();
string[] jadwal = fp.getJadwal();
Console.WriteLine("Jumlah jadwal : " + fp.getBanyakJadwal());
Console.WriteLine("Jumlah ruangan : " + fp.getBanyakRuangan());
List <MataKuliah> listMK = new List <MataKuliah> ();
for (int i = 0; i < fp.getBanyakJadwal(); i++)
{
MataKuliah mk = new MataKuliah(jadwal [i]);
listMK.Add(mk);
}
string[] rrr = fp.getRuangan();
List <Ruangan> listR = new List <Ruangan>();
for (int i = 0; i < fp.getBanyakRuangan(); i++)
{
Ruangan r = new Ruangan(rrr[i]);
listR.Add(r);
}
listR = sortListRuangan(listR);
//Random Restart
RandomRestart rr = new RandomRestart();
rr.randomRestart(ref listMK, listR, fp.getBanyakJadwal(), fp.getBanyakRuangan());
//Simmulated Annealing
//SimulatedAnnealing sa = new SimulatedAnnealing();
//sa.simulatedAnnealing(ref listMK, listR, fp.getBanyakJadwal(), fp.getBanyakRuangan());
//Genetic Algorithm
//GeneticAlgorithm ga = new GeneticAlgorithm();
//listMK = ga.geneticAlgorithm(1000,listMK, listR, fp.getBanyakJadwal(), fp.getBanyakRuangan());
//Initializer init = new Initializer();
//init.Initialize(listMK, listR, fp.getBanyakJadwal(), fp.getBanyakRuangan());
/* test checker
* Checker ch = new Checker();
* listMK[0].setHariSol(3);
* listMK[0].setJamSol(11);
* listMK[0].setRuanganSol("7602");
* Console.WriteLine(ch.checkAvail(listMK[0], listR));
*/
Checker ch = new Checker();
ch.hitungKonflik(listMK);
for (int i = 0; i < listMK.ToArray().Length; i++)
{
Console.WriteLine("Nama " + listMK[i].getNamaMatKul());
Console.WriteLine("Ruangan " + listMK[i].getRuanganSol());
Console.WriteLine("Jam Mulai " + listMK[i].getJamSol());
Console.WriteLine("Jam Akhir " + (listMK[i].getSks() + listMK[i].getJamSol()));
Console.WriteLine("Hari " + listMK[i].getHariSol());
}
Console.WriteLine("Konflik ada " + ch.getJumlahKonflik());
Others ot = new Others();
Console.WriteLine("Efektif = " + (ot.hitungEfektif(listMK, listR) * 100) + " %");
foreach (Ruangan R in listR)
{
Console.WriteLine(R.getNamaRuangan());
}
Console.Read();
}
public List <MataKuliah> geneticAlgorithm(int stepCount, List <MataKuliah> listMK, List <Ruangan> listR, int banyakJadwal, int banyakRuangan)
{
List <List <MataKuliah> > sample = new List <List <MataKuliah> >();
List <List <MataKuliah> > temp = new List <List <MataKuliah> >();
MataKuliah[] listTemp = new MataKuliah[banyakJadwal + 1];
Random rng = new Random(Guid.NewGuid().GetHashCode());
Initializer init = new Initializer();
int size = 1024;
int[] fitness = new int[size];
float[] chanceThreshold = new float[size];
int maxFitness = (banyakJadwal - 1) * (banyakJadwal) / 2;
int totalFitness;
float randomNumber;
int randomNumberI;
int index = 0;
Checker check = new Checker();
Boolean found = false;
Boolean loopOut = false;
int minTime = 0;
int maxTime = 0;
IEnumerable <int> possibleDay;
//Initial generation
for (int i = 0; i < size; i++)
{
init.Initialize(listMK, listR, banyakJadwal, banyakRuangan);
sample.Add(deepClone(listMK, banyakJadwal));
}
//Series of Genetic Algorithm process
for (int step = 0; step < stepCount; step++)
{
index = 0;
//Console.WriteLine();
if (step % 25000 == 0)
{
Console.WriteLine("Process : " + step);
}
//Calculate fitness function
totalFitness = 0;
for (int i = 0; i < size; i++)
{
check.hitungKonflik(sample[i]);
fitness[i] = maxFitness - check.getJumlahKonflik();
totalFitness = totalFitness + fitness[i];
}
//Console.WriteLine("Fitness function done");
//Selection chance
chanceThreshold[0] = ((float)fitness[0]) / ((float)totalFitness);
for (int i = 1; i < size; i++)
{
chanceThreshold[i] = chanceThreshold[i - 1] + ((float)fitness[i]) / ((float)totalFitness);
}
//Console.WriteLine("Selection chance done");
//Selection
temp = new List <List <MataKuliah> >();
for (int i = 0; i < size; i++)
{
randomNumber = ((float)rng.Next(0, 1001)) / 1000f;
while ((index < size) && (randomNumber > chanceThreshold[index]))
{
index++;
}
if (index == size)
{
index = (size - 1);
}
temp.Add(deepClone(sample[index], banyakJadwal));
}
sample = temp;
//Console.WriteLine("Selection done");
//Crossover
for (int i = 0; i < size; i = i + 2)
{
randomNumberI = rng.Next(0, banyakJadwal);
if (randomNumberI != (banyakJadwal - 1))
{
index = (randomNumberI + 1);
int length = (banyakJadwal - index);
sample[i].CopyTo((index), listTemp, 0, (banyakJadwal - index));
for (int j = 0; j < length; j++)
{
sample[i][index] = sample[i + 1].GetRange(index, 1)[0];
sample[i + 1][index] = listTemp[j];
index++;
}
}
}
//Console.WriteLine("Crossover done");
//Mutation
for (int i = 0; i < size; i++)
{
randomNumberI = rng.Next(0, 1000);
index = 0;
found = false;
randomNumberI = rng.Next(0, (banyakJadwal + 1));
if (randomNumberI != banyakJadwal)
{
if (!sample[i][randomNumberI].getRuanganDom().Equals("-", StringComparison.Ordinal))
{
sample[i][randomNumberI].setRuanganSol(sample[i][randomNumberI].getRuanganDom());
while (!found)
{
if (sample[i][randomNumberI].getRuanganSol().Equals(listR[index].getNamaRuangan(), StringComparison.Ordinal))
{
found = true;
}
else
{
index++;
}
}
//Calculate Possible Day
possibleDay = sample[i][randomNumberI].getHariDom().Intersect(listR[index].getHariAvailable());
//Calculate Possible Time
if (listR[index].getjamMulai() > sample[i][randomNumberI].getJamDomAwal())
{
minTime = listR[index].getjamMulai();
}
else
{
minTime = sample[i][randomNumberI].getJamDomAwal();
}
if (listR[index].getjamAkhir() < sample[i][randomNumberI].getJamDomAkhir())
{
maxTime = listR[index].getjamAkhir();
}
else
{
maxTime = sample[i][randomNumberI].getJamDomAkhir();
}
}
//If there's room restriction
else
{
index = rng.Next(0, banyakRuangan);
sample[i][randomNumberI].setRuanganSol(listR[index].getNamaRuangan());
//Calculate Possible Day
possibleDay = sample[i][randomNumberI].getHariDom().Intersect(listR[index].getHariAvailable());
//Calculate Possible Time
if (listR[index].getjamMulai() > sample[i][randomNumberI].getJamDomAwal())
{
minTime = listR[index].getjamMulai();
}
else
{
minTime = sample[i][randomNumberI].getJamDomAwal();
}
if (listR[index].getjamAkhir() < sample[i][randomNumberI].getJamDomAkhir())
{
maxTime = listR[index].getjamAkhir();
}
else
{
maxTime = sample[i][randomNumberI].getJamDomAkhir();
}
//If assignment is not possible, do reassignment to room
while ((possibleDay.ToArray().Length == 0) || ((minTime + sample[i][randomNumberI].getSks()) > maxTime))
{
index = rng.Next(0, banyakRuangan);
sample[i][randomNumberI].setRuanganSol(listR[index].getNamaRuangan());
possibleDay = sample[i][randomNumberI].getHariDom().Intersect(listR[index].getHariAvailable());
if (listR[index].getjamMulai() > sample[i][randomNumberI].getJamDomAwal())
{
minTime = listR[index].getjamMulai();
}
else
{
minTime = sample[i][randomNumberI].getJamDomAwal();
}
if (listR[index].getjamAkhir() < sample[i][randomNumberI].getJamDomAkhir())
{
maxTime = listR[index].getjamAkhir();
}
else
{
maxTime = sample[i][randomNumberI].getJamDomAkhir();
}
}
}
index = rng.Next(0, possibleDay.ToArray().Length);
sample[i][randomNumberI].setHariSol(possibleDay.ElementAt(index));
index = rng.Next(minTime, (maxTime + 1 - sample[i][randomNumberI].getSks()));
sample[i][randomNumberI].setJamSol(index);
}
}
for (int i = 0; i < size; i++)
{
check.hitungKonflik(sample[i]);
if (check.getJumlahKonflik() < 8)
{
loopOut = true;
}
}
if (loopOut)
{
break;
}
}
//Console.WriteLine("Mutation Done");
for (int i = 0; i < size; i++)
{
check.hitungKonflik(sample[i]);
fitness[i] = maxFitness - check.getJumlahKonflik();
}
return(sample[Array.IndexOf(fitness, fitness.Max())]);
}