You are right about the typo, my bad. Thanks.
To clarify my question with an example, assume i have n and p0 given as n= (1,1) and p0=(2, 3). Now, say I have the following set of p {(1,3), (2,4), (1,5), (0,1), (2,3), (3,1)}. I would like to know where does each of the elements in the p set...