用VB写个小程序

Private Sub form_click()

MeShow

m = 10

n = 1

Print Int(Rnd (m - n - 1) + n + 1)

End Sub

第二题

Private Sub Form_Load()

Timer1Enabled = True

Timer1Interval = 1000

End Sub

Private Sub Timer1_Timer()

Cls

Print Format(Now, "long date") & " " & Time

End Sub

需要两个函数，一个因子和计算，一个因子和输出。程序窗体放置一个文本框，设置其MultiLine为True。源程序如下：

Option Explicit

Dim I As Long, J As Long, X As Long

Private Sub Form_Load()

MeShow

For I = 1 To 10000

DoEvents

X = Yzh(I)

If X <= 10000 And I < X Then

If Yzh(X) = I Then

Text1 = Text1 & "(" & I & "," & X & ")" & Chr(13) & Chr(10)

YzhOut (I)

YzhOut (X)

End If

End If

Next

Text1 = Text1 & "计算完成"

End Sub

Private Function Yzh(N As Long) As Long

Yzh = 0

For J = 1 To N / 2

If N Mod J = 0 Then Yzh = Yzh + J

Next

End Function

Private Function YzhOut(N As Long) As Long

Dim Yzh As Long

Text1 = Text1 & N & "=1"

Yzh = 1

For J = 2 To N / 2

If N Mod J = 0 Then

Text1 = Text1 & "+" & J

Yzh = Yzh + J

End If

Next

Text1 = Text1 & "=" & Yzh & Chr(13) & Chr(10)

End Function

程序计算结果，有5组亲密数对，程序输出是：

(220,284)

220=1+2+4+5+10+11+20+22+44+55+110=284

284=1+2+4+71+142=220

(1184,1210)

1184=1+2+4+8+16+32+37+74+148+296+592=1210

1210=1+2+5+10+11+22+55+110+121+242+605=1184

(2620,2924)

2620=1+2+4+5+10+20+131+262+524+655+1310=2924

2924=1+2+4+17+34+43+68+86+172+731+1462=2620

(5020,5564)

5020=1+2+4+5+10+20+251+502+1004+1255+2510=5564

5564=1+2+4+13+26+52+107+214+428+1391+2782=5020

(6232,6368)

6232=1+2+4+8+19+38+41+76+82+152+164+328+779+1558+3116=6368

6368=1+2+4+8+16+32+199+398+796+1592+3184=6232

计算完成

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