It's UWAweek 9 (1st semester, week 1)


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 UWA week 36 (2nd semester, mid-semester break) ↓
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3:57am Wed 6th Sep, Christopher M.

I believe the problem reporting negative I/O times has been corrected. Please report any problems. The arithmetic was being performed using a standard int (4 bytes), which overflowed with larger (faster) I/O speeds. If you're having similar problems, you can perform the arithmetic using int64_t or double. You may like to read about the ceil() function, too.

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