I am sure there are other more subtle ways to go about it but this seems about as fast as I can make it for a general brute-force solution (0.11s)
This one seems to work for the large test case, too, although it is not a general solution [for size(p,1)>100 it only tests corner points].
Add two numbers
Read a Soroban Abacus
Find the largest value in the 3D matrix
Hexagonal Tiling Dots in a Circle
USC Fall 2012 ACM Question A : Read Input File
What is Title of Cody Challenge 42?
Memory Map File: Access and Update
AVIRIS Inscribed Rectangle Bit Mask - Speed Test
Usage of java.math : N Choose K with unlimited precision
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