unionfind

0.0.3 • Public • Published

Union Find NPM version

A quick union find data structure for javascript

API

Constructor

var uf = new UnionFind(size[, key])

Initialize the Union Find data structure with number of distinct groups to begin with. Each group will be referred to as index of the array of size size starting at 0. You can also provide an optional key function that maps these indices in a certain way. For example if you would like to refer to the groups starting with 1 provide the function function(a){return a-1;}. The default value is function(a){return a;}.

UnionFind#union

uf.union(p, q);

Combine elements in groups p and q into a single group. In other words connect the two groups.

UnionFind#find

uf.find(p);

Return the root (value) of the group in which p is.

UnionFind#Connected

uf.connected(p, q);

Returns true if p and p are both in same group, false otherwise.

UnionFind#size

uf.size();

Returns the number of elements of uf object.

UnionFind#count

uf.count();

Returns the number of distinct groups left inside the object.

Licence MIT

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Install

npm i unionfind

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Version

0.0.3

License

MIT

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  • juzerali