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I'm required to describe an implementation of a data structure that holds key,value pairs, which can be signed integers.
We need to be able to init() in O(1), insert(x) in O(logn), delete(x) in O(logn)...
I was going through the concept of graphs as matroids and I came upon the rank of a graph. Wikipedia lists it as $n - c$, $n = |V|$, $c =$ # of connected components.
I do understand rank and nullity ...
Background: a set of 300 images are prepared, randomly pair compared with 60 other images, assigned a rating (from 1-star to 5-star) based on the pair comparison score (+1 if wins a pair comparison ...