'大數相加
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim n1 = "1234567890"
Dim n2 = "12345678901200000"
Dim a(100)
Dim b(100)
Dim d(100)
Dim i1 = 0
For i = n1.Length - 1 To 0 Step -1
a(i1) = Val(n1.Chars(i))
i1 = i1 + 1
Next
i1 = 0
For i = n2.Length - 1 To 0 Step -1
b(i1) = Val(n2.Chars(i))
i1 = i1 + 1
Next
Dim c = 0
For i = 0 To 100
d(i) = a(i) + b(i) + c
If d(i) >= 10 Then
c = 1
d(i) = d(i) - 10
Else
c = 0
End If
Next
Dim str = ""
For i = 0 To 100
str = d(i) & str
Next
While Microsoft.VisualBasic.Left(str, 1) = "0"
str = Microsoft.VisualBasic.Right(str, str.Length - 1)
End While
MsgBox(str)
'MsgBox(str & " -- " & (Val(n1) + Val(n2)) & " -- " & Val(str) - (Val(n1) + Val(n2)))
End
End Sub
End Class
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2010年3月29日 星期一
大數相加
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