Top Answers

1. Is a C compiler allowed to coalesce sequential assignments to volatile variables?
   31 votes
2. Why is it impossible to find a specified value in a sorted array faster than O(log n)?
   15 votes
3. How can a variable take the address of itself within its own declaration?
   10 votes
4. continue statement in a do while loop
   8 votes
5. Time complexity of O(n^2)
   8 votes