Daily Coding Problem: Problem #1206 [Hard]

Good morning! Here's your coding interview problem for today.

This problem was asked by Uber.

A rule looks like this:

A NE B

This means this means point A is located northeast of point B.

A SW C

means that point A is southwest of C.

Given a list of rules, check if the sum of the rules validate. For example:

A N B
B NE C
C N A

does not validate, since A cannot be both north and south of C.

A NW B
A N B

is considered valid.

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