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A pandigital set (Posted on 2018-04-14) Difficulty: 2 of 5
A+B=CD
E+F=G
H+I=J


Assign 0-9 digits to the letters A-J to make the above equations true.
REM: Choose only the solutions in which A>B; E>F & H>I.

No Solution Yet Submitted by Ady TZIDON    
Rating: 5.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Solution computer solution | Comment 1 of 5
 6 4 10   A B CD
 5 3 8    E F G
 7 2 9    H I J
 6 4 10   A B CD
 7 2 9    E F G
 5 3 8    H I J
 7 3 10   A B CD
 5 4 9    E F G
 6 2 8    H I J
 7 3 10   A B CD
 6 2 8    E F G
 5 4 9    H I J
 
Of course the second and fourth solutions are trivial variations of the first and third, wher (e, f, g) and (h, i, j) are interchanged. 


DefDbl A-Z
Dim crlf$, dr


Private Sub Form_Load()
 Form1.Visible = True
 Text1.Text = ""
 crlf = Chr(13) + Chr(10)
 
 s$ = "9876543210": hld$ = s
 Do
   a = Val(Mid(s, 1, 1))
   b = Val(Mid(s, 2, 1))
   cd = Val(Mid(s, 3, 2))
   e = Val(Mid(s, 5, 1))
   f = Val(Mid(s, 6, 1))
   g = Val(Mid(s, 7, 1))
   h = Val(Mid(s, 8, 1))
   i = Val(Mid(s, 9, 1))
   j = Val(Mid(s, 10, 1))
   If a > b And e > f And h > i Then
     If a + b = cd Then
     If e + f = g Then
     If h + i = j Then
       Text1.Text = Text1.Text & Str(a) & Str(b) & Str(cd) & crlf
       Text1.Text = Text1.Text & Str(e) & Str(f) & Str(g) & crlf
       Text1.Text = Text1.Text & Str(h) & Str(i) & Str(j) & crlf & crlf
     End If
     End If
     End If
   End If
   DoEvents
   permute s
 Loop Until s = hld
 
 
 Text1.Text = Text1.Text & crlf & " done"
  
End Sub


  Posted by Charlie on 2018-04-14 14:04:06
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