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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Levenshtein-distance/Visual-Basic-.NET/levenshtein-distance.vb Normal file
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Function LevenshteinDistance(ByVal String1 As String, ByVal String2 As String) As Integer
Dim Matrix(String1.Length, String2.Length) As Integer
Dim Key As Integer
For Key = 0 To String1.Length
Matrix(Key, 0) = Key
Next
For Key = 0 To String2.Length
Matrix(0, Key) = Key
Next
For Key1 As Integer = 1 To String2.Length
For Key2 As Integer = 1 To String1.Length
If String1(Key2 - 1) = String2(Key1 - 1) Then
Matrix(Key2, Key1) = Matrix(Key2 - 1, Key1 - 1)
Else
Matrix(Key2, Key1) = Math.Min(Matrix(Key2 - 1, Key1) + 1, Math.Min(Matrix(Key2, Key1 - 1) + 1, Matrix(Key2 - 1, Key1 - 1) + 1))
End If
Next
Next
Return Matrix(String1.Length - 1, String2.Length - 1)
End Function