This was the policy for any final exam at my alma mater. You had to be rather certain that you were sufficiently wronged overall, otherwise a few points more o

This was the policy for any final exam at my alma mater. You had to be rather certain that you were sufficiently wronged overall, otherwise a few points more on one question could be offset by a large number of negated points from other questions where the professor thought that the TA might have been too generous.