c++ nested if

1) There are no loops in the code you posted. For help on loops, I suggest reading this tutorial :

        http://cplusplus.com/doc/tutorial/control/

    (consider also reading the rest of that tutorial, to get a better understanding of programming in C++)

2) '15' is not a valid character literal, as it contains two characters.

3) = is not the same as ==. The first (=) is the assignment operator, while the second (==) is a comparison operator.

Other than that, I'm not sure what you're trying to do.

hi , sorry , it is not a loop but a nested if

hi the 15 should be 5

>> hi , sorry , it is not a loop but a nested if

Yes, I see you edited the question ;)

The same tutorial I posted earlier also explains if statements.  I still recommend reading it.

And, I'm still not sure what you're trying to do, or what your question is.

I am trying to test each of the conditions. Ie: if condition 1 is true it must test the next condition

if position_six_A  !='5'
then position_six=position_six+1

then it must check
position_five

if position_five_A !="J"
position_five=position_five-1

i want to test each condition.

So, something like this ?

if (condition1) {
  if (condition2) {
    /* ... */
  }
  else {
    /* ... */
  }
}
else {
  /* ... */
}

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hi , does not work  below is the vb code of what  want t o do

If position_six_A <> "5" Then
            position_six = position_six + 1
            ElseIf position_six_A = "5" Then
            position_six = 0
        Else
            If position_five_A <> "E" Then
                position_five = position_five - 1
                position_six = position_six + 1
                ElseIf position_five_A = "E" Then
                position_five = 32
            Else
                If position_four_A <> "5" Then
                    position_four = position_four + 1
                    position_five = position_five - 1
                    position_six = position_six + 1
                    ElseIf position_four_A = "5" Then
                    position_four = 0
                Else
                    If position_three_A <> "E" Then
                        position_three = position_three - 1
                        position_four = position_four + 1
                        position_five = position_five - 1
                        position_six = position_six + 1
                        ElseIf position_three_A = "E" Then
                        position_three = 32
                    Else
                        If position_two_A <> "5" Then
                            position_two = position_two + 1
                            position_three = position_three - 1
                            position_four = position_four + 1
                            position_five = position_five - 1
                            position_six = position_six + 1
                            ElseIf position_two_A = "5" Then
                            position_two = 0
                        Else
                            If position_one <> "5" Then
                                position_one = position_one + 1
                                position_two = position_two + 1
                                position_three = position_three - 1
                                position_four = position_four + 1
                                position_five = position_five - 1
                                position_six = position_six + 1
                            ElseIf position_one <> "0" Then
                                position_one = 0
                               end If
                        End If
                    End If
                End If
            End If
        End If

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What does not work ?

Unless I am very much mistaken (I could be, I don't know VB), your VB code doesn't contain any nested ifs, it is just a whole bunch of if/else statements one after the other and it's just the way it's formatted that make it look nested. I thinks just the way that it has been formatted that is making it look like they are nested and, therefore, confusing you.

give more detail so that we can understand your problem clearly
the code you post so confused, plz describe via natural language :D

and the VB code you've post, I thnk it wrong(???)

if you look at your VB logic it fails...
If position_six_A <> "5" Then
           position_six = position_six + 1
ElseIf position_six_A = "5" Then.................this is implied if initial if failed
            position_six = 0
Else ....... ??????
.... never can get here
Endif