what does x— or x++ do here?

Question

it is a silly Q for most of u - i know - but i one of the beginner here, and I can not understand why the output in here are 12 what does this (x--) do to the resu

Answer 1

Just a cautionary note, sometimes the pre and post increment operators can have unexpected results

Why does this go into an infinite loop?

and what does:

x[i]=i++ + 1;

do

Read here: http://www.angelikalanger.com/Articles/VSJ/SequencePoints/SequencePoints.html