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Algorithms and Data Structures Representing Sequences by Arrays and Linked Lists
Introduction Sequences Representation – Arrays – use index to identify each element – Linked lists – identify by relation to some known element Applications of sequences 2
Linked list Singly linked list Doubly linked list 3
Basic operations on Linked lists isEmpty Delete Insert Find Size maintenance 4
Implementations of Linked list Class – List – Node Methods – Basic operations 5
Arrays Bounded and unbounded arrays Basic operations – Insert – Delete – Find – Copy – Size change implementations 6
Stacks and Queues Characteristics Basic operations – push, pop, peek, isEmpty, isFull – enqueue, dequeue, isEmpty, isFull Implementations using arrays or linked lists Applications – Infix to postfix – Postfix evaluation 7
อ้างอิง Kurt Mehlhorn and Peter Sanders, Algorithms and Data Structures: The Basic Toolbox, Springer 2008. Robert Lafore, Data Structures & Algorithms in JAVA, SAMS, 2002. 8
STACKS & QUEUES. Stacks Abstract data types An abstract data type (ADT) is an abstraction of a data structure An ADT specifies : –Data stored –Operations.
Stacks and Queues. Not really data structures – More of an enforcement of policy – Can be implemented using an array or linked list – Can store just about.
Stacks, Queues, and Linked Lists
1 Array-based Implementation An array Q of maximum size N Need to keep track the front and rear of the queue: f: index of the front object r: index immediately.
Stack & Queues COP 3502.
Senem Kumova Metin Spring2009 STACKS AND QUEUES Chapter 10 in A Book on C.
Joseph Lindo Abstract Data Types Sir Joseph Lindo University of the Cordilleras.
ADVANCED DATA STRUCTURES AND ALGORITHM ANALYSIS Chapter 3 Lists, Stacks, and Queues.
Stacks a data structure which stores data in a Last-in First-out manner (LIFO) has a pointer called TOP can be implemented by either Array or Linked.
CS 206 Introduction to Computer Science II 03 / 04 / 2009 Instructor: Michael Eckmann.
CS Data Structures II Review COSC 2006 April 14, 2017
Chapter 3 Stacks.
Queues. What is a queue? First-in first-out data structure (FIFO) New objects are placed at rear Removal restricted to front Examples?
Stacks CS-240 Dick Steflik. Stacks Last In, First Out operation - LIFO As items are added they are chronologically ordered, items are removed in reverse.
CS 206 Introduction to Computer Science II 03 / 06 / 2009 Instructor: Michael Eckmann.
CS102 – Data Structures Lists, Stacks, Queues, Trees, Hash Collections Framework David Davenport Spring 2002.
CS 106 Introduction to Computer Science I 12 / 11 / 2006 Instructor: Michael Eckmann.
CS 206 Introduction to Computer Science II 10 / 15 / 2008 Instructor: Michael Eckmann.
CS 206 Introduction to Computer Science II 10 / 26 / 2009 Instructor: Michael Eckmann.
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