Algorithms and Data Structures

Algorithms and Data Structures is written by N. Wirth. This book starts with a chapter on data structure for two reasons. First, one has an intuitive feeling that data precede algorithms: you must have some objects before you can perform operations on them. Second, and this is the more immediate reason, this book assumes that the reader is familiar with the basic notions of computer programming. Traditionally and sensibly, however, introductory programming courses concentrate on algorithms operating on relatively simple structures of data. Hence, an introductory chapter on data structures seems appropriate....
The second chapter treats sorting algorithms. It displays a variety of different methods, all serving the same purpose. Mathematical analysis of some of these algorithms shows the advantages and disadvantages of the methods, and it makes the programmer aware of the importance of analysis in the choice of good solutions for a given problem. The partitioning into methods for sorting arrays and methods for sorting files (often called internal and external sorting) exhibits the crucial influence of data representation on the choice of applicable algorithms and on their complexity. The space allocated to sorting would not be so large were it not for the fact that sorting constitutes an ideal vehicle for illustrating so many principles of programming and situations occurring in most other applications. It often seems that one could compose an entire programming course by deleting examples from sorting only.....
Third Chapter discusses recursive algorithms and fourth chapter is included with dynamic information structures. Finally fifth chapter is for hashing.
Contents

1 Fundamental Data Structures
1.1 Introduction
1.2 The Concept of Data Type
1.3 Primitive Data Types
1.4 Standard Primitive Types
1.4.1 Integer types
1.4.2 The type REAL
1.4.3 The type BOOLEAN
1.4.4 The type CHAR
1.4.5 The type SET
1.5 The Array Structure
1.6 The Record Structure
1.7 Representation of Arrays, Records, and Sets
1.7.1 Representation of Arrays
1.7.2 Representation of Recors
1.7.3 Representation of Sets
1.8 The File (Sequence)
1.8.1 Elementary File Operators
1.8.2 Buffering Sequences
1.8.3 Buffering between Concurrent Processes
1.8.4 Textual Input and Output
1.9 Searching
1.9.1 Linear Search
1.9.2 Binary Search
1.9.3 Table Search
1.9.4 Straight String Search
1.9.5 The Knuth-Morris-Pratt String Search
1.9.6 The Boyer-Moore String Search
Exercises
2 Sorting
2.1 Introduction
2.2 Sorting Arrays
2.2.1 Sorting by Straight Insertion
2.2.2 Sorting by Straight Selection
2.2.3 Sorting by Straight Exchange
2.3 Advanced Sorting Methods
2.3.1 Insertion Sort by Diminishing Increment
2.3.2 Tree Sort
2.3.3 Partition Sort
2.3.4 Finding the Median
2.3.5 A Comparison of Array Sorting Methods
2.4 Sorting Sequences
2.4.1 Straight Merging
2.4.2 Natural Merging
2.4.3 Balanced Multiway Merging
2.4.4 Polyphase Sort
2.4.5 Distribution of Initial Runs
Exercises
6
3 Recursive Algorithms
3.1 Introduction
3.2 When Not to Use Recursion
3.3 Two Examples of Recursive Programs
3.4 Backtracking Algorithms
3.5 The Eight Queens Problem
3.6 The Stable Marriage Problem
3.7 The Optimal Selection Problem
Exercises
4 Dynamic Information Structures
4.1 Recursive Data Types
4.2 Pointers
4.3 Linear Lists
4.3.1 Basic Operations
4.3.2 Ordered Lists and Reorganizing Lists
4.3.3 An Application: Topological Sorting
4.4 Tree Structures
4.4.1 Basic Concepts and Definitions
4.4.2 Basic Operations on Binary Trees
4.4.3 Tree Search and Insertion
4.4.4 Tree Deletion
4.4.5 Analysis of Tree Search and Insertion
4.5 Balanced Trees
4.5.1 Balanced Tree Insertion
4.5.2 Balanced Tree Deletion
4.6 Optimal Search Trees
4.7 B-Trees
4.7.1 Multiway B-Trees
4.7.2 Binary B-Trees
4.8 Priority Search Trees
Exercises
5 Key Transformations (Hashing)
5.1 Introduction
5.2 Choice of a Hash Function
5.3 Collision handling
5.4 Analysis of Key Transformation
Exercises
Appendices
A The ASCII Character Set
B The Syntax of Oberon
Index
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Download free Data Structures and Algorithms ebooks

This posting provides you free Datastructures and algorithms ebook site links which teaches you to study datastructures through different languages, various alogrithms, complexities, alogrithms directories, graph theories, computer datastructures etc.
You can get free downloads in datastructures, alogrithms, etc. Following are the free ebooks dowloads written by different authors.
  1. Algorithmic Information Theory By G J Chaitin
  2. Algorithms and Complexity by Herbert S. Wilf
  3. Algorithms and Data Structures in VLSI Design By Christoph Meinel and Thorsten Theobald
  4. Algorithms by S. Dasgupta, C.H. Papadimitriou, and U.V. Vazirani
  5. Algorithms for Modular Elliptic Curves By J. E. Cremona
  6. Algorithms for programmers By Jorg Arndt
  7. Art of Programming Contest - C Programming Tutorials Data Structures Algorithms
  8. Average Case Analysis of Algorithms on Sequences by Wojciech Szpankowski
  9. Combinatorial Algorithms By Jeff Erickson
  10. Computer Programming Algorithms Directory
  11. Data Structure in Java By Sandra Andersen
  12. Data Structures And Algorithms - CSEd Tools
  13. Data Structures and Algorithms By Alison Cawsey
  14. Data Structures and Algorithms By John Morris
  15. Data Structures and Algorithms in C++ By Michael T. Goodrich, Roberto Tamassia and David M. Mount
  16. Data Structures and Algorithms with Object-Oriented Design Patterns in C# By Bruno R.Preiss
  17. Data Structures and Algorithms with Object-Oriented Design Patterns in C++ By Bruno R. Preiss
  18. Data Structures and Algorithms with Object-Oriented Design Patterns in Java By Bruno R. Preiss
  19. Data Structures By Peter M Williams
  20. Data Structures:All Chapters From Wikibooks, the open-content textbooks collection
  21. Dictionary of Algorithms and Data Structures
  22. Efficient Algorithms for Sorting and Synchronization By Andrew Tridgell
  23. Foundations of Computer By Lawrence C Paulson
  24. Graph-Theoretic Algorithms By Therese Biedl
  25. Java Data Structures (2nd edition)
  26. Object Oriented Datastructures using Java By Nell Dale, Daniel T. Joyce and Chip Weems
  27. Planning Algorithms By Steven M. LaValle
  28. Problems on Algorithms By William Gasarch and Ian Parberry
  29. Sorting and Searching Algorithms: A Cookbook By Thomas Niemann
  30. The FXT library: Fast transforms and low level algorithms

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