Questions tagged [rank]
The rank tag has no usage guidance.
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Binary combinatorics with rank
I am looking at finding acceptable binary values with maximum 2 consecutive 1s and 0s, from a range of maximum 6 bits (2^6 values).
Also, I want to rank and unrank these subset of values (in ...
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DFA for "K" bit value with max "n" consecutive "0"s and "1"s
I had posted earlier a question regarding ranking max "n" consecutive "0"s and "1"s in a "K"-bit string -
Order in a subset
I got clarification regarding how ...
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Finding Minimum Elements for Longest Path in Disjoint Set
I want to know the minimum number of elements needed to create a tree with the longest path having n edges. How can I approach this problem using the forest implementation of disjoint sets with union ...
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What is the worst case time complexity of unranking n choose k combinations (combinatorial number system, combinadics)
The combinatorial number system shows that there is a bijection between the natural numbers less than $n \choose k$ and $n\choose k$ combinations. There is a greedy algorithm for unranking ...
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Find a key in a BBST for which sum of values of keys smaller then it - is maximal
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)...
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Rank of a graph in matroid theory
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 ...
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Why merge into the larger tree in union by rank
When we do union by rank we merge the smaller tree into the larger tree. I dont understand why we do this exactly?
- 143
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Reference selection for rating assignment based on pair comparison
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 ...
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How can I get index of combination from element indices
An array of combinations is generated from two arrays,
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