Sub Main()
Dim N As Integer = 10
Dim a As Integer = 3
Dim b As Integer = 8
Dim vector() As Integer = {2, 4, 6, 8, 10, 3, 5, 7, 9, 1}
Dim count As Integer = 0
For i As Integer = 0 To N - 1
If vector(i) >= a AndAlso vector(i) <= b Then
count += 1
End If
Next
Console.WriteLine("Количество компонент на отрезке [a, b]: {0}", count)
End Sub