by Josh Tickell (1 Submission)
Category: Math/Dates
Compatability: VB 6.0
Difficulty: Unknown Difficulty
Originally Published: Sat 3rd November 2001
Date Added: Mon 8th February 2021
Rating: 
(1 Votes)
Basic bubble sort. Generates 20 random numbers, displays them in a text box, then sorts them and returns the number of times the array was
API Declarations
Dim swapmade As Boolean
Dim temp, randnum, val1, val2 As Integer
Dim countr4, countr3, countr2, countr As Integer
VBcoders
Private Sub Command1_Click()
'Generates 20 random from 1 - 1000 numbers and stores them in the array, numarray
Randomize
Do While countr <= 20
randnum = Int(1000 * Rnd)
numarray(countr) = randnum
List1.AddItem numarray(countr)
countr = countr + 1
Loop
End Sub
Private Sub bubbleSort()
'Determines whether one number is larger than the next
countr2 = 1
swapmade = False
Do While countr2 < 20
If numarray(countr2 + 1) < numarray(countr2) Then
Call swap
End If
countr2 = countr2 + 1
Loop
End Sub
Private Sub swap()
'Swaps the numbers
temp = numarray(countr2)
numarray(countr2) = numarray(countr2 + 1)
numarray(countr2 + 1) = temp
swapmade = True
End Sub
Private Sub Command2_Click()
'Sorts array until no more swaps need to be made
Do
Call bubbleSort
countr3 = countr3 + 1
Loop Until swapmade = False
'Prints new sorted array in list2
Do While countr4 <= 20
List2.AddItem numarray(countr4)
countr4 = countr4 + 1
Loop
'Prints the amount of times the array was processed before it was in order
Label1.Caption = "The array was traversed " & countr3 & " times."
End Sub
Private Sub Command3_Click()
'Resets everything except numbers in array
List1.Clear
List2.Clear
countr = 1
countr2 = 1
countr3 = 0
countr4 = 1
Label1.Caption = ""
swapmade = True
End Sub
Private Sub Form_Load()
countr = 1
countr2 = 1
countr3 = 0
countr4 = 1
swapmade = True
End Sub
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