Algorithms are at the heart of every nontrivial computer
application, and algorithmics is a modern and active area of
computer science. Every computer scientist and every professional
programmer should know about the basic algorithmic toolbox:
structures that allow efficient organization and retrieval of data,
frequently used algorithms, and basic techniques for modeling,
understanding and solving algorithmic problems.
This book is a concise introduction addressed to students and
professionals familiar with programming and basic mathematical
language. Individual chapters cover arrays and linked lists, hash
tables and associative arrays, sorting and selection, priority
queues, sorted sequences, graph representation, graph traversal,
shortest paths, minimum spanning trees, and optimization. The
algorithms are presented in a modern way, with explicitly
formulated invariants, and comment on recent trends such as
algorithm engineering, memory hierarchies, algorithm libraries and
certifying algorithms. The authors use pictures, words and
high-level pseudocode to explain the algorithms, and then they
present more detail on efficient implementations using real
programming languages like C++ and Java.
The authors have extensive experience teaching these subjects to
undergraduates and graduates, and they offer a clear presentation,
with examples, pictures, informal explanations, exercises, and some
linkage to the real world. Most chapters have the same basic
structure: a motivation for the problem, comments on the most
important applications, and then simple solutions presented as
informally as possible and as formally as necessary. For the more
advanced issues, this approach leads to a more mathematical
treatment, including some theorems and proofs. Finally, each
chapter concludes with a section on further findings, providing
views on the state of research, generalizations and advanced
solutions.
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