Analisis Perbandingan Algoritma Generate and Test Dengan Hill Climbing Pada Penyelesaian Traveling Salesman Problem Untuk Kunjungan Wisata di Kabupaten Tapanuli Tengah

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A-1

LAMPIRAN A

LISTING PROGRAM

ALGORITMA GENERATE AND TEST

For i = 0 To titik.Length - 1 daftarInduk.Add(i)

LblResult.Text = "Jumlah Kemungkinan : " & Fn & Environment.NewLine & "Jalur Awal : "

For i = 0 To n - 1

LblResult.Text += (IIf(i = 0, "", "-") & Chr(titik(i) + 65)) Next

LblResult.Text += "-A" & Environment.NewLine jalurPilih = String.Join("-", titik) & "-0"

Dim tempuhPilih As Double = hitung(jalurPilih, jarak)

LblResult.Text += "Jarak Tempuh : " & tempuhPilih & Environment.NewLine LblResult.Refresh()

ProgressBar1.Maximum = Fn ProgressBar1.Visible = True Dim jalurProses As String Dim tempuhProses As Double Dim k As Byte

Dim counter As ULong = 0

Dim Run As Stopwatch = Stopwatch.StartNew() For l = 1 To n - 1

k = n - 2

jalur = addJalur() counter += 1

jalurProses = String.Join("-", jalur.ToArray) & "-0"

tempuhProses = hitung(jalurProses, jarak)

test(jalurPilih, jalurProses, tempuhPilih, tempuhProses) For j = 1 To 3

If k = n - 2 Then

daftarInduk = backtrack(1) k = daftarInduk.Count jalur = addJalur() counter += 1

ProgressBar1.Value = counter

test(jalurPilih, jalurProses, tempuhPilih, tempuhProses) daftarInduk = backtrack(2)

k = jalur.Count ElseIf k = n - 3 Then k += 1

k = daftarInduk.Count

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A-2

k = jalur.Count End If

If j = 3 Then

daftarInduk = backtrack(1)

Dim titikAwal As Integer = daftarInduk(daftarInduk.Count - 1) jalur.Add(titikAwal)

daftarInduk.Remove(titikAwal)

If counter Mod 24 = 0 And counter < Fn Then daftarInduk = backtrack(0)

l = 1

l = 1 End If End If End If

ElseIf counter = Fn Then Exit For

End If End If End If Next

If counter = Fn Then Exit For

End If Next Run.Stop()

LblResult.Text += "Jalur Terpilih : "

For i = 0 To n - 1

LblResult.Text += (IIf(i = 0, "", "-") & Chr(Split(jalurPilih, "-")(i) + 65))

LblResult.Text += Environment.NewLine & "Runtime : " & runTime & " ms"

ALGORITMA HILL CLIMBING

Dim Fn2 As ULong = 1 For i = 1 To (n - 1) - 2 Fn2 *= i

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A-3

buatOp(n - 1)

Dim run As Stopwatch = Stopwatch.StartNew()

LblResult.Text = "Jumlah Operator : " & nOp & Environment.NewLine & "Jalur Awal : "

For i = 0 To n - 1

LblResult.Text += (IIf(i = 0, "", "-") & Chr(titik(i) + 65)) Next

LblResult.Text += "-A" & Environment.NewLine jalurPilih = String.Join("-", titik) & "-0"

Dim tempuhPilih As Double = hitung(jalurPilih, jarak)

LblResult.Text += "Jarak Tempuh : " & tempuhPilih & Environment.NewLine Dim temu As Boolean = True

Dim kandidat As String = jalurPilih Dim titikProses(n - 1) As Byte For i = 0 To n - 1

titikProses(i) = Split(jalurPilih, "-")(i) Next

While temu = True

Dim jalur(n - 1) As Byte For i = 0 To n - 1

jalur(i) = titikProses(i) Next

Dim tukar As Byte

Dim jalurProses(Op.Length / 2 - 1) As String Dim tempuhProses(Op.Length / 2 - 1) As Double For i = 0 To Op.Length / 2 - 1

tukar = jalur(Op(i, 0))

jalur(Op(i, 0)) = jalur(Op(i, 1)) jalur(Op(i, 1)) = tukar

jalurProses(i) = String.Join("-", jalur) & "-0"

tempuhProses(i) = hitung(jalurProses(i), jarak) Next

For j = 0 To n - 1

jalur(j) = titikProses(j) Next

For i = 0 To tempuhProses.Length - 1 If tempuhProses(i) < tempuhPilih Then tempuhPilih = tempuhProses(i) jalurPilih = jalurProses(i) End If

titikProses(i) = Split(jalurPilih, "-")(i) Next

If jalurPilih = kandidat Then temu = False

LblResult.Text += "Jalur Terpilih : "

For i = 0 To n

LblResult.Text += (IIf(i = 0, "", "-") & Chr(Split(jalurPilih, "-")(i) + 65))

LblResult.Text += "Jarak Tempuh : " & tempuhPilih Else

kandidat = jalurPilih temu = True

End If End While run.Stop()

Dim runTime As Integer = CInt(run.Elapsed.TotalMilliseconds)

LblResult.Text += Environment.NewLine & "Runtime : " & runTime & " ms"