Define a tree

3 years ago
Data Structure and Algorithm

A tree is a collection of nodes. The collection can be empty; otherwise, a tree consists of a distinguished node r, called the root, and zero or more nonempty (sub) trees T1, T2,…,Tk, each of whose roots are connected by a directed edge from r.

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Sanisha Maharjan
Sanisha Maharjan
Jan 23, 2022
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