1. Check out this code: http://goo.gl/wN3td

Does it work correctly? Choose the best answer.

2. Check out this code: http://goo.gl/19AES

What could it output? Check all answers that could happen. (note: comma used instead of newline just for readability in the answers here)

3. Which implementation of threads can better exploit a multi-core system?

4. Which implementation of threads has lower overhead when switching between threads?

5. OPTIONAL: other comments, topics you want us to discuss

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