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Distinct Values Derivation (Posted on 2015-02-15) Difficulty: 3 of 5
Express a given date in 2015 in the MM/DD/YY format.

Determine the total number of distinct values of MM*DD in the year 2015.

No Solution Yet Submitted by K Sengupta    
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Solution re: computer solution -- what was I thinking? Comment 2 of 2 |
(In reply to computer solution by Charlie)

Some numbers were counted that shouldn't have been counted, like 2*31 = 62 or 11*30 = 330.


The answer is actually 178.

Private Sub Form_Load()
 Text1.Text = ""
 crlf$ = Chr(13) + Chr(10)
 Form1.Visible = True
  
  For m = 1 To 12
    Select Case m
      Case 1, 3, 5, 7, 8, 10, 12
       fin = 31
      Case 2
       fin = 28
      Case Else
       fin = 30
    End Select
  For d = 1 To fin
   If prod(m * d) = 0 Then ct = ct + 1
   prod(m * d) = 1
  Next
  Next
  Text1.Text = Text1.Text & ct & crlf
 
End Sub


  Posted by Charlie on 2015-02-18 19:43:50
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