Re: [Dev-C++] Pos and Pre Incremental/Decremental Operators Examples

[Per W. <pw...@ia...>]

Example 2 - you forget about the execution order of for statement.

for (i=3D0; i < 10; i++) cout << i;

is similar to

i =3D 0;
while (i < 10) {
  cout << i;
  i++;
}

so obviously, changing i++ to ++i doesn't change function. For a change,
insted test:

i =3D 0;
while (i++ < 10) {
  cou << i;
}

which becomse

for (i =3D 0; i++ < 10;) cout << i;

Now, i++ or ++i does matter.

/Per W


On Mon, 12 May 2003, Andr=E9 Mac=E1rio Barros wrote:

> Dear Users:
>
> Please consider the following examples:
>
> Example 1:
> ...
> int c;
> c=3D0;
> cout << c++; ---> it will print 0;
> cout << c;   ---> it will print 1;
> c=3D0;
> cout << ++c; ---> it will print 1;
> cout << c;   ---> it will print 1;
> ...
>
> Example 2:
> ...
> 1-int i;
> 2-for(i=3D0; i<10; i++) cout << i; ---> it will print 0 to 9
> 3-for(i=3D0; i<10; ++i) cout << i; ---> it will print 0 to 9 (too!)
>
> Statements/Questions:
> 1-I only have example #1 style to teach pos and pre incremental operators=
;
> 2-I thought in Example 2, line 3 an output like numbers 1 to 10. Why this
> not happens?
> 3-Does anybody have good and simple examples of using pos and pre
> incremental/decremental
>   operators?
>
> Regards
> Andre
>
>
>
>
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