Guys please help me out with this?

Question

int a=1;
int b = a++;
printf("%d", a);

//Output: 2

Why is the output is 2? shouldn't be 1?
Please anyone explain!
Thanks in advance.

here is the code→
https://code.sololearn.com/cdh7ExcOrs9G/?ref=app

Answer 1

because you use here increment operator by this 1 is become 1+1 that's why the output is 2
that is too simple

Answer 2

Look at this code and you will understand what you wrote.
https://code.sololearn.com/cQjW1G7kpt8N/?ref=app