In computer science, tree traversal (also known as tree search and walking the tree) is a form of graph traversal and refers to the process of visiting (checking and/or updating) each node in a tree data structure, exactly once.Such traversals are classified by the order in which the nodes are visited. The following algorithms are described for a binary tree, but they may be generalized to ...The Epic of Gilgamesh is a similar quest for immortality. In Mesopotamian mythology, Etana searches for a plant of birth to provide him with a son.This has a solid provenance of antiquity, being found in cylinder seals from Akkad (2390–2249 BCE).. Urartu. In ancient Urartu, the tree of life was a religious symbol and was drawn on walls of fortresses and carved on the armor of warriors.
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