Contents

- 1 Where are binary search trees used in real life?
- 2 When should I use a binary tree?
- 3 Are binary trees important?
- 4 Why is binary tree better than hash table?
- 5 What are the disadvantages of binary search tree?
- 6 How many leaves does a binary tree have?
- 7 Is Hashtable ordered?
- 8 What is AVL tree compare it with binary tree?
- 9 Which searching technique is best?
- 10 How many children does a binary tree have?
- 11 Are all red black trees AVL?
- 12 Is every full tree complete?

## Where are binary search trees used in real life?

A Self-Balancing Binary Search Tree is **used to maintain sorted stream of data**. For example, suppose we are getting online orders placed and we want to maintain the live data (in RAM) in sorted order of prices. For example, we wish to know number of items purchased at cost below a given cost at any moment.

## When should I use a binary tree?

Implementing a binary search tree is useful in **any situation where the elements can be compared in a less than / greater than manner**. For our example, we'll use alphabetical order as our criteria for whether an element is greater than or less than another element (eg.

## Are binary trees important?

Binary trees Clearly each node in a binary tree can have a left and/or a right descendant. The importance of a binary tree is **that it can create a data structure that mimics a "yes/no" decision making process**.

## Why is binary tree better than hash table?

Binary Search Trees are **generally memory-efficient since they do not reserve more memory than they need to**. On the other hand, Hash tables can be a bit more demanding if we don't know the exact number of elements we want to store.

## What are the disadvantages of binary search tree?

**Binary Search Algorithm Disadvantages-**

- It employs recursive approach which requires more stack space.
- Programming binary search algorithm is error prone and difficult.
- The interaction of binary search with memory hierarchy i.e. caching is poor.

## How many leaves does a binary tree have?

Theorem: A complete binary tree of height h has **0 leaves** when h = 0 and otherwise it has 2h leaves. Proof by induction. The complete binary tree of height 0 has one node and it is an isolated point and not a leaf. Therefore it has 0 leaves.

## Is Hashtable ordered?

Hashtable is a data structure that **stores data** in key-value format. The stored data is neither in sorted order nor preserves the insertion order.

## What is AVL tree compare it with binary tree?

Binary Search Tree vs AVL Tree: Data Structure

Binary Search Tree | AVL Tree |
---|---|

In binary search tree, it does not contain any balance factor. | Each node has a balance factor in AVL tree whose value can be 1, 0, or -1. It requires extra space to store the balance factor per node. |

•Mar 8, 2021

## Which searching technique is best?

3 Answers. If you're only doing a few searches, then a **basic linear search** is about the best you can do. If you're going to search very often, it's usually better to sort, then use a binary search (or, if the distribution of the contents if fairly predictable, an interpolation search).

## How many children does a binary tree have?

two children

In computer science, a binary tree is a tree data structure in which each node has **at most two children**, which are referred to as the left child and the right child.

## Are all red black trees AVL?

search, insertion, and removal. **AVL trees can be colored red–black**, thus are a subset of RB trees. Worst-case height is 0.720 times the worst-case height of RB trees, so AVL trees are more rigidly balanced. … For every 2–4 tree, there are corresponding red–black trees with data elements in the same order.

## Is every full tree complete?

**Every binary tree is either complete or full**. Every complete binary tree is also a full binary tree. Every full binary tree is also a complete binary tree.