Câu hỏi phỏng vấn Trees
Câu hỏi

What is Height and Depth of a Tree and its Nodes?

Câu trả lời

The height and depth of a tree and its nodes are important concepts to understand. Here is a concise explanation:

Height of a node: The height of a node in a binary tree is the largest number of edges in a path from a leaf node to that target node[1][5]. For example, the height of node 25 in the tree shown is 1[2].

Depth of a node: The depth of a node in a binary tree is the total number of edges from the root node to the target node[1][5]. For example, the depth of node 25 in the tree shown is 2[2].

Height of a tree: The height of a binary tree is equal to the height of the root node, which is the largest number of edges from the root to the most distant leaf node[1][4][5]. It is also equal to the depth of the deepest node in the tree[3].

Depth of a tree: The depth of a binary tree is the total number of edg...

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Explain a B-Tree data structure for 5 years old

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Why is a Hash Table not used instead of a B-Tree in order to access data inside a database?

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Why do we need a separate datastructure like B-Tree for database and file system?

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