The examiners did this by mistake in one of the papers in my final exams. I had time to finish two of the three sections. They thought that was fine. Fortunate

The examiners did this by mistake in one of the papers in my final exams. I had time to finish two of the three sections. They thought that was fine. Fortunately, the external examiner didn't, and required them to add points to everyone's marks. I ended up with slightly over 100%.