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How to find duplicates in an array and remove them
efficiently?

Answers were Sorted based on User's Feedback



How to find duplicates in an array and remove them efficiently?..

Answer / vishnu


Dim a(4)

a(0) = 1
a(1) = 4
a(2) = 5
a(3) = 4
a(4) = 5

For i = ubound(a)-1 to 0 step - 1
For j=0 to i
If a(j) = a(j+1) Then
a(j) = empty
ElseIf a(j)>a(j+1) Then
temp = a(j+1)
a(j+1) = a(j)
a(j) = temp
End If
Next
Next

For i=0 to ubound(a)
print a(i)
Next

Is This Answer Correct ?    1 Yes 0 No

How to find duplicates in an array and remove them efficiently?..

Answer / crazy boy

**How to find duplicates in an array and remove them efficiently?
=================================================
dim a(4)
a(0)=10
a(1)=20
a(2)=10
a(3)=20
a(4)=50

for i=0 to ubound(a)
for j=i+1 to ubound(a)
if a(i)=a(j) then
a(i) =empty
end if
next
next

for i=0 to ubound(a)
if a(i)<>"" then
msgbox a(i)
end if
next

Is This Answer Correct ?    1 Yes 0 No

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