Types of K-ary Trees
- A full k-ary tree is a k-ary tree where within each level every node has either 0 or k children.
- A perfect k-ary tree is a full k-ary tree in which all leaf nodes are at the same depth.
- A complete k-ary tree is a k-ary tree which is maximally space efficient. It must be completely filled on every level (meaning that each level has k children) except for the last level (which can have at most k children). However, if the last level is not complete, then all nodes of the tree must be "as far left as possible".
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