The challenge is closed!The challenge for 2017 is closed. Results can be found here.
Exam preparation (Dec 26, 2017)The video for the exam preparation session has now been put online (see schedule).
Example exam (Dec 31, 2017)Some example exam questions, with appropriate answers, can be found here.
Example exam (Sun 7, 2018)The answer to question 5e of the example exam was incorrect. The corrected pdf file can be found here.