int b=5; int a=++b; printf("%d",a+b);

Question

How to get this answer

Answer 1

int a=++b; //here pre-increment used, b increased to 6 and then assigned to a.
So 6+6=12 is the answer

Answer 2

It is equal to

int b=5;
int b=b+1;
int a=b;
printf("%d",a+b);