How does increment operator work in c++?

Question

x++ does what exactly example of how to use it as compared to ++x,
like in the quiz if x=2; y=3; y=x++; means y's value is 3 but when u cout<<++y how come the value doesn't change to 4 but remains 3???!!!##@

Answer 1

add one more cout<<y will see (after what you have already)

Answer 2

thanx will try that....