来自「vb百元百鸡问题算法」· 代码 · 共 40 行

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   3195
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3195
   ScaleWidth      =   4680
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command1 
      Caption         =   "计算"
      Height          =   495
      Left            =   3000
      TabIndex        =   0
      Top             =   2280
      Width           =   1335
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
'设母鸡、公鸡、小鸡各为x、y、z只
'则有x＋y＋z＝100；3x＋5y＋1/3z＝100成立
'从而得3y－4z＝－300（x、y范围分别为0……100）
Dim x, y As Integer
Print "可能的结果为："
For z = 0 To 100
  For y = 0 To 100
    If 3 * y - 4 * z = -300 And y + z <= 100 Then
       Print "母鸡："; 100 - y - z; "只；"; "公鸡："; y; "只；"; "小鸡："; z; "只。"
    End If
  Next y
Next z
End Sub