Week 11 (Matrix Medians and Unichromossomal reversal distance)

According to the Anne Bergeron text, choose the right answer below:

a) An oriented pair (πi, πj), i < j, is a pair with consecutive integers with the same signal.
b) An induced reversal given by an oriented pair (πi, πj) is ρ(i + 1,j - 1). 
c) A hurdle is a framed interval which doesn't have any other smaller framed interval inside it.
d) One super-hurdle is a hurdle which can't be cut.
e) None of above.

Original idea by: Luis Felipe Strano Moraes
Translation help by: Andrey Victor Justo