Excel OL_组和“2”）.Resize（countGrp，1）.Value Dim plan（）作为字符串 ReDim计划（countGrp*尺寸，2） Dim itry作为整数，res iBlockStart=1 在iBlockStartUBound（grp）
OL_组和“2”）.Resize（countGrp，1）.Value Dim plan（）作为字符串 ReDim计划（countGrp*尺寸，2） Dim itry作为整数，res iBlockStart=1 在iBlockStartExcel OL_组和“2”）.Resize（countGrp，1）.Value Dim plan（）作为字符串 ReDim计划（countGrp*尺寸，2） Dim itry作为整数，res iBlockStart=1 在iBlockStartUBound（grp）,excel,vba,loops,excel-formula,Excel,Vba,Loops,Excel Formula,OL_组和“2”）.Resize（countGrp，1）.Value Dim plan（）作为字符串 ReDim计划（countGrp*尺寸，2） Dim itry作为整数，res iBlockStart=1 在iBlockStartUBound（grp），则 r=UBound（玻璃钢） 步骤=-1 如果r
您可以签出解算器和分配模型-可能比vba更简单…谢谢！我将再看一看围绕解算器的选项，并回顾一些分配模型。我的数据集有超过150K条记录/任务，所以我假设我有太多的变量，但也许我可以将数据分成子集。谢谢！很抱歉反应太慢。期待在周末尝试一下这段代码。感谢您的投入@记住，没关系，使用最新版本，因为我已经纠正了shuffle sub中的一个潜在错误。太棒了，谢谢！这太棒了！我可以将它作为一个表添加到我的数据库中，以保持程序的速度并保持数据输入的简单。我也很欣赏这些评论，这样我就可以跟进，因为我需要挑战自己，从零开始开发解决方案，而不是将其他解决方案拼凑在一起。
Sub assignEmployeeTasks()
Dim ws As Worksheet, i As Long
Set ws = ThisWorkbook.Worksheets(1)
Dim employeeList() As Variant
With ws
For i = 2 To lastRow(ws, 2)
If (Not employeeList) = -1 Then
'rebuild employeelist / array uninitialized
employeeList = buildOneDimArr(ws, "F", 2, lastRow(ws, "F"))
End If
.Cells(i, 4) = randomEmployee(employeeList)
Next
End With
End Sub
Function randomEmployee(ByRef employeeList As Variant) As String
'Random # that will determine the employee chosen
Dim Lotto As Long
Lotto = randomNumber(LBound(employeeList), UBound(employeeList))
randomEmployee = employeeList(Lotto)
'Remove the employee from the original array before returning it to the sub
Dim retArr() As Variant, i&, x&, numRem&
numRem = UBound(employeeList) - 1
If numRem = -1 Then 'array is empty
Erase employeeList
Exit Function
End If
ReDim retArr(numRem)
For i = 0 To UBound(employeeList)
If i <> Lotto Then
retArr(x) = employeeList(i)
x = x + 1
End If
Next i
Erase employeeList
employeeList = retArr
End Function
' This will take your column of employees and place them in a 1-D array
Function buildOneDimArr(ByVal ws As Worksheet, ByVal Col As Variant, _
ByVal rowStart As Long, ByVal rowEnd As Long) As Variant()
Dim numElements As Long, i As Long, x As Long, retArr()
numElements = rowEnd - rowStart
ReDim retArr(numElements)
For i = rowStart To rowEnd
retArr(x) = ws.Cells(i, Col)
x = x + 1
Next i
buildOneDimArr = retArr
End Function
' This outputs a random number so you can randomly assign your employee
Function randomNumber(ByVal lngMin&, ByVal lngMax&) As Long
'Courtesy of https://stackoverflow.com/a/22628599/5781745
Randomize
randomNumber = Int((lngMax - lngMin + 1) * Rnd + lngMin)
End Function
' This gets the last row of any column you specify in the arguments
Function lastRow(ws As Worksheet, Col As Variant) As Long
lastRow = ws.Cells(ws.Rows.Count, Col).End(xlUp).Row
End Function
Count of Task
Row Loc1 Loc2 Loc3 Loc4 Loc5 Loc6 Gand Total
Gp1 4013 3975 3926 5082 3986 4018 25000
Gp2 4021 3992 4077 4928 3975 4007 25000
Gp3 3976 3952 4027 5023 4049 3973 25000
Gp4 5050 4915 4936 5035 5064 25000
Gp5 4072 3996 4034 4890 3969 4039 25000
Gp6 3964 4087 3986 5018 3996 3949 25000
Grand 25096 24917 24986 24941 25010 25050 150000
Option Explicit
Sub assignEmployeeTasks()
Dim ws As Worksheet, t0 As Single, t1 As Single
Set ws = ThisWorkbook.Sheets("Sheet1")
t0 = Timer
Const COL_GROUP = "F"
Const COL_LOCN = "C"
Const SIZE As Integer = 2 ' plan size = 2 * group count
Const MAXTRY = 50 ' no of tries to validate
Dim bOK As Boolean
Dim grp As Variant, iBlockStart As Long, i As Integer, r As Integer, step As Integer
'initialize grps and location
Dim countGrp As Integer, lastLocn As Long
lastLocn = ws.Range(COL_LOCN & Rows.Count).End(xlUp).Row
countGrp = ws.Range(COL_GROUP & Rows.Count).End(xlUp).Row - 1
grp = ws.Range(COL_GROUP & "2").Resize(countGrp, 1).Value
Dim plan() As String
ReDim plan(countGrp * SIZE, 2)
Dim itry As Integer, res
iBlockStart = 1
Do While iBlockStart < lastLocn
' initialize plan
Call zigzag(plan, grp)
For i = 1 To UBound(plan)
plan(i, 1) = ws.Range("C" & iBlockStart + i).Value
Next
' save 1st attempt
For i = 1 To UBound(plan)
ws.Range("D" & iBlockStart + i).Value = plan(i, 2)
Next
' validate
bOK = validLocn(plan, 0)
retry:
' retry to validate
itry = 0
While bOK = False And itry < MAXTRY
Call shuffle(plan, 1)
bOK = validLocn(plan, itry)
itry = itry + 1
Wend
' write new plan to sheet
For i = 1 To UBound(plan)
ws.Range("D" & iBlockStart + i).Value = plan(i, 2)
Next
' check rule again
If itry = MAXTRY Then
ws.Range(COL_LOCN & iBlockStart).Select
res = MsgBox("Failed to vaidate after " & MAXTRY & " attempts", vbAbortRetryIgnore, iBlockStart)
If res = vbRetry Then GoTo retry
If res = vbAbort Then Exit Sub
End If
iBlockStart = iBlockStart + UBound(plan)
Loop
t1 = Timer
MsgBox "Assigned " & lastLocn - 1 & " tasks in " & Int(t1 - t0) & " secs"
End Sub
' valid plan against rules
Function validLocn(plan As Variant, itry) As Boolean
Dim sLocn As String, sGrp As String, i As Integer
validLocn = True
For i = 1 To UBound(plan)
sLocn = plan(i, 1)
sGrp = plan(i, 2)
' rule 1
If sGrp = "Gp4" And sLocn = "Loc4" Then
validLocn = False
'Debug.Print itry, i, "Fail Rule 1", sGrp, sLocn
Else
'Debug.Print itry, i, "Pass Rule 1", sGrp, sLocn
End If
Next
End Function
' populate plan groups
Sub zigzag(plan As Variant, grp As Variant)
Dim i As Integer, r As Integer, step As Integer
r = 1: step = 1
For i = 1 To UBound(plan)
plan(i, 2) = grp(r, 1)
r = r + step
If r > UBound(grp) Then
r = UBound(grp)
step = -1
ElseIf r < 1 Then
r = 1
step = 1
End If
Next
End Sub
' shuffle plan
Sub shuffle(plan As Variant, i As Integer)
Dim tmp As String, n As Integer, j As Integer, k As Integer
For n = 1 To i
' random choose elements to shuffle
retry:
k = Int(1 + Rnd() * UBound(plan))
j = Int(1 + Rnd() * UBound(plan))
If k = j Then GoTo retry
tmp = plan(k, 2)
plan(k, 2) = plan(j, 2)
plan(j, 2) = tmp
Next
End Sub
' generate test data
Sub testdata()
Dim ws As Worksheet, i As Long
Set ws = ThisWorkbook.Sheets("Sheet1")
For i = 2 To 150001
ws.Cells(i, 2) = i - 1
ws.Cells(i, 3) = "Loc" & 1 + Int(Rnd() * 6)
Next
End Sub