CONTENTS
Part I: PRELIMINARIES 1
Column 1: Cracking the Oyster 3
A Friendly Conversation ~ Precise Problem Statement ~ Program Design ~
Implementation Sketch. Principles ~ Problems. Further Reading
Column 2: Aha! Algorithms 11
Three Problems ~ Ubiquitous Binary Search ~ The Power of Primitives ~
Getting It Together: Sorting. Principles. Problems. Further Reading.
Implementing an Anagram Program
Column 3: Data Structures Programs 21
A Survey Program ~ Form-Letter Programming ~ An Array of Examples ~
Structuring Data. Powerful Tools for Specialized Data ~ Principles ~ Prob-
lems ~ Further Reading
Column 4: Writing Correct Programs 33
The Challenge of Binary Search ~ Writing the Program ~ Understanding the
Program. Principles ~ The Roles of Program Verification ~ Problems.
Further Reading
Column 5: A Small Matter of Programming 45
From Pseudocode to C ~ A Test Harness ~ The Art of Assertion ~ Auto-
mated Testing ~ Timing ~ The Complete Program. Principles ~ Problems
~ Further Reading ~ Debugging
Part II: PERFORMANCE 59
Column 6: Perspective on Performance 61
A Case Study. Design Levels. Principles. Problems ~ Further Reading
Column 7: The Back of the Envelope 67
Basic Skills ~ Performance Estimates ~ Safety Factors ~ Little's Law ~
Principles ~ Problems ~ Further Reading ~ Quick Calculations in Everyday
Life
Column 8: Algorithm Design Techniques 77
The Problem and a Simple Algorithm ~ Two Quadratic Algorithms ~ A
Divide-and-Conquer Algorithm ~ A Scanning Algorithm ~ What Does It
Matter? ~ Principles. Problems. Further Reading
Column 9: Code Tuning 87
A Typical Story ~ A First Aid Sampler ~ Major Surgery Binary Search ~
Principles. Problems. Further Reading
Column 10: Squeezing Space 99
The Key Simplicity ~ An Illustrative Problem. Techniques for Data
Space. Techniques for Code Space ~ Principles ~ Problems ~ Further
Reading ~ A Big Squeeze
Part III: THE PRODUCT 113
Column 11: Sorting 115
Insertion Sort ~ A Simple Quicksort ~ Better Quicksorts ~ Principles ~
Problems ~ Further Reading
Column 12: A Sample Problem 125
The Problem ~ One Solution. The Design Space. Principles ~ Problems
~ Further Reading
Column 13: Searching 133
The Interface ~ Linear Structures ~ Binary Search Trees ~ Structures for
Integers. Principles. Problems. Further Reading. A Real Searching
Problem
Column 14: Heaps 147
The Data Structure ~ Two Critical Functions ~ Priority Queues ~ A Sorting
Algorithm. Principles. Problems. Further Reading
Column 15: Strings of Pearls 161
Words ~ Phrases ~ Generating Text ~ Principles ~ Problems ~ Further
Reading
Epilog to the First Edition 175
Epilog to the Second Edition 177
Appendix 1: A Catalog of Algorithms 179
Appendix 2: An Estimation Quiz 183
Appendix 3: Cost Models for Time and Space 185
Appendix 4: Rules for Code Tuning 191
Appendix 5: C++ Classes for Searching 197
Hints for Selected Problems 201
Solutions to Selected Problems 205
Index 233