Team 9
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This document discusses doubly linked lists and provides information about their structure and basic operations. It describes that a doubly linked list contains nodes with two pointer fields that link to both the previous and next nodes. The document outlines how to represent a doubly linked list with a head node and describes the insertion and deletion algorithms. It explains that insertion requires updating the forward and backward pointers of the new and existing nodes. Deletion locates the target node and changes the pointers of the predecessor and successor nodes to bypass the deleted node.
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Linked lists
A linked list consists of a sequence of nodes, where each node contains a value and a pointer to the next node. The last node contains a null pointer. Each node has a successor, which is the next node, and a predecessor, which is the previous node. A linked list can be traversed by starting at the head node and following the next pointers until reaching a null pointer. New nodes can be inserted at the beginning, middle, or end of the list by updating the appropriate next pointers. Nodes can be deleted by having the predecessor node point to the node to be deleted's successor.
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This document discusses doubly linked lists. A doubly linked list is a list where each node contains a pointer to the next node and previous node. This allows traversal in both directions. The document explains how to implement a doubly linked list using a struct with next and previous pointers. It covers insertion, deletion, searching, and printing nodes in a doubly linked list by traversing forwards and backwards. Key operations like adding a node to the beginning, middle or end of the list are demonstrated along with deleting nodes and freeing memory.
Linked list
The document discusses linked lists as an alternative to arrays for storing data in memory. Linked lists allow for easy insertion and removal of nodes anywhere in the list by using pointers to link nodes together rather than storing them in contiguous memory blocks. The key aspects of linked lists covered are the node structure containing data and a pointer to the next node, initializing an empty list, traversing the list, and common operations like insertion and deletion at different positions. Different types of linked lists are also introduced.
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This document discusses different types of linked lists including singly linked lists, circular linked lists, and doubly linked lists. It provides details on representing stacks and queues using linked lists. Key advantages of linked lists over arrays are that linked lists can dynamically grow in size as needed, elements can be inserted and deleted without shifting other elements, and there is no memory wastage. Operations like insertion, deletion, traversal, and searching are described for singly linked lists along with sample C code to implement a linked list, stack, and queue.
linked list
linked list
singly linked list
insertion in singly linked list
DELETION IN SINGLY LINKED LIST
Searching a singly linked list
Doubly Linked List
insertion from Doubly linked list
DELETION from Doubly LINKED LIST
Searching a doubly linked list
Circular linked list
Operations on linked list
A linked list is a linear data structure consisting of nodes that are connected to each other through pointers. Each node contains a data field and a pointer to the next node. Linked lists allow for efficient insertion and removal of nodes and are more flexible than arrays in terms of memory allocation. Common types of linked lists include singly linked lists, doubly linked lists, circular linked lists, and header linked lists.
Circular linked list
A circular linked list is a variation of a linked list where the last element points to the first element, forming a circle. This can be done for both singly and doubly linked lists. Basic operations like insertion, deletion, and traversal can be performed on a circular linked list in a similar way as a regular linked list by taking into account the circular nature when reaching the end of the list. Code examples are provided to demonstrate how to insert a node at the beginning, delete the first node, and print the list for a singly linked circular list.
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Circular linked list
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The document discusses linked lists and their advantages over arrays. It defines a linked list as a linear data structure composed of nodes, where each node contains data and a pointer to the next node. The key points are:
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But memory assigned to elements will not be contiguous, which is a requirement for linear ordered list, and was provided by array representation. How we could achieve this?
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Linked lists are linear data structures made up of nodes that contain data and a link to the next node. There are different types including singly linked lists where each node has one link, and doubly linked lists where each node has two links allowing traversal in both directions. Common operations on linked lists include inserting and deleting nodes, searching for a node, and displaying all nodes. Doubly linked lists make some operations like deleting a node more efficient since predecessors can be directly accessed through the backward link rather than traversing from the head.
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But memory assigned to elements will not be contiguous, which is a requirement for linear ordered list, and was provided by array representation. How we could achieve this?
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This document discusses deque, or double-ended queue, which is an abstract data type that allows elements to be added or removed from either end. It describes two types of deques, input-restricted and output-restricted, and common operations like push, pop, and isEmpty. Examples are given of using a deque for palindrome checking, A-Steal job scheduling, and undo-redo operations in software.
Team 2
This document discusses the implementation of variant records in C language. It defines a record as a collection of heterogeneous elements treated as a unit, and a structure as a group of items with each identified by an identifier. A variant record, called a union in C, allows a record variable to be interpreted in multiple ways, with a fixed part and variant part. The document provides syntax for structures and unions, an insurance policy example, sample code to demonstrate implementation, and differences between structures and unions.
Team 1
The document discusses strings in C programming. It defines strings as finite sequences of characters that can be implemented as arrays of bytes or characters. It describes common string operations like searching, sorting, trimming, insertion, and deletion. It also lists various string manipulation functions in C like strcat, strcpy, strlen, and their applications in areas like text editing, search engines, and computational biology.
linkedlist
This document discusses multiply linked lists and their applications. It provides an example of a multiply linked list to represent student details with multiple linking based on name, roll number, department, etc. It also gives an example of using a multiply linked list to represent a sparse matrix, with nodes containing row, column, and data values and links to other non-zero elements. Applications mentioned include adding polynomials and representing sparse matrices.
single linked list
This document discusses the implementation of a single linked list data structure. It describes the nodes that make up a linked list, which have an info field to store data and a next field pointing to the next node. The document outlines different ways to represent linked lists, including static arrays and dynamic pointers. It also provides algorithms for common linked list operations like traversing, inserting, and deleting nodes from the beginning, end, or a specified position within the list.
Team 6
This document discusses deque, or double-ended queue, which is an abstract data type that allows elements to be added or removed from either end. It describes two types of deques - input-restricted and output-restricted - and common operations like push, pop, and isEmpty. Examples are given of using a deque for palindrome checking, A-Steal job scheduling, and undo-redo operations in software.
Team 5
A queue is a first-in, first-out (FIFO) data structure where elements are inserted at the rear of the queue and deleted from the front. Insertion is called enqueue and deletion is called dequeue. Real-world examples of queues include lines at checkout counters, call centers, and buffers that hold songs in an mp3 playlist. The key operations for a queue are enqueue, dequeue, isEmpty, isFull, and size.
Team 4
The document discusses stack applications for conversion and evaluation of expressions. It describes stacks, different types of expressions (infix, postfix, prefix), and algorithms for converting between these types. Examples are provided to demonstrate converting an infix expression to postfix and evaluating a postfix expression step-by-step using a stack. The postfix expression p=abc*/d+ is evaluated, with the steps shown and final result of 3.4.
Team 3
The document discusses a team presentation on using a stack data structure to check for matching parentheses in an expression. It defines what a stack is, the push and pop operations, and provides pseudocode for algorithms to add and remove elements from a stack. It then explains how to use a stack to check an expression by pushing opening parentheses and popping closing ones, identifying whether the stack is empty after as a way to check matching. Examples of expressions are provided to demonstrate the algorithm.
Loaders
The document discusses various components of system software including compilers, assemblers, linkers, and loaders. It describes the functions of loaders in detail. Loaders bring executable files into memory and start program execution. There are different types of loaders such as absolute loaders, bootstrap loaders, relocating loaders, linking loaders, and dynamic linkers. Relocating loaders allow programs to be loaded into any available memory location.
More from Sathasivam Rangasamy (10)
Team 9
- 1. DATA STRUCTURES ASSIGNMENT-I DOUBLY LINKED LIST TEAM:9 KARTHICK.D(13MX20) KRISHNAN.R(13MX24) RAMVIGNESH.M(13MX38) YASAR ARAFATH.A(13MX53)
- 2. DOUBLY LINKED LIST Doubly linked list consist of set of sequentially linked words called nodes. Each nodes contains two fields called links that are references to the previous and also to the next node in the sequence of nodes. A node in a doubly linked list has atleast three fields DATA, LLINK(left link),RLINK(right link).
- 3. DOUBLY LINKED LIST REPRESENTATION:
- 4. A doubly linked list may or may not be circular. A special node has been introduced or added along with above three nodes called Head node. The DATA Field of head node contains information. P=RLINK(LLINK(P))=LLINK(RLINK(P))
- 5. INSERTION: Inserting a node in singly linked list needs connection of both forward and backward pointers. To insert in a null linkly list we simply set the head and rear pointers to the new node. Then set the forward and backward pointers of new node to null.
- 7. Algorithm: Procedure INSERT_DL (X,Y) LLINK (X) = Y; RLINK (X) = RLINK(Y); LLINK (RLINK (Y) ) = X; RLINK (Y) = X; End INSERT_DL.
- 8. Deletion: Inserting between two new nodes needs to be set to both its predecessor and its successor. These two nodes must be set to point new node. Once we locate the node to be deleted,we simply change its predecessor’s and successor’s pointers. Then the node will be recycled.
- 9. Deletion:
- 10. ALGORITHM: Procedure DELETE_DL (P, X) if(X = P) then ABANDON_DELETE; else {RLINK(LLINK (X) ) = RLINK (X); LLINK(RLINK (X) ) = LLINK (X); Call RETURN (X); } end DELETE_DL.
- 11. Thank you…