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A hash map is a data structure that stores key-value pairs. It uses a hash function to compute an index into an array of buckets, where the key-value pair is stored. Key Characteristics of Hash Maps Operations in a Hash Map HasMap in Swift In Swift, a dictionary is a built-in data structure that serves … Read more
A graph data structure is a collection of nodes (or vertices) and edges that connect pairs of nodes. Graphs are used to represent various types of network structures, such as social networks, maps, communication networks, and transportation systems. Here’s a brief overview: Components of a Graph Types of Graphs Undirected Graph: Directed Graph (Digraph): Weighted … Read more
A binary tree is a tree data structure in which each node has at most two children. Each node of a binary tree consists of three items: Here is a visual representation of a Binary Tree: Binary Tree Implementation in Swift: Here’s how we can implement a binary tree in Swift: Step 1: Define the … Read more
A tree is a nonlinear data structure that consists of nodes. Nodes are connected by edges. Each node of a Tree has a value and zero or more child nodes. Trees are useful for representing hierarchical data. Here is a visual representation of a Tree: Tree Terminologies Understanding Tree terminology is essential for grasping tree-based … Read more
A Linked List is a linear data structure where we can store data sequentially. Elements of a Linked List called nodes, are linked using pointers. Here is a visual representation of the linked list with three elements: Each node contains two main components: the data and a reference (or pointer) to the next node in … Read more
Binary search is an efficient algorithm for finding an item from a sorted list of items. If the items are not sorted already, we need to sort them first. Binary search works by repeatedly dividing the search interval in half. Here is the steps of Binary Search: Check this image for clear understanding. For better … Read more
Linear search is a simple searching algorithm that checks each item in a list sequentially until the desired item is found or the end of the list is reached. This is one of the easiest algorithms. Here’s a step-by-step explanation of how linear search works: We can write the above steps in pseudocode like this: … Read more