Dubious code using pre-increment operator in C++

int n=3 ; n=++n + ++n; outputs n=10 But how ? In my pov it is like this, -You first set ’n’ equal to 3. You pre-increment it (increment it BEFORE you use it) - so now it’s 4. Then you pre-increment it again - so now it’s 5. Then you set n to n+n an...