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Hands-On Data Structures and Algorithms with Rust

You're reading from   Hands-On Data Structures and Algorithms with Rust Learn programming techniques to build effective, maintainable, and readable code in Rust 2018

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Product type Paperback
Published in Jan 2019
Publisher Packt
ISBN-13 9781788995528
Length 316 pages
Edition 1st Edition
Languages
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Author (1):
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Claus Matzinger Claus Matzinger
Author Profile Icon Claus Matzinger
Claus Matzinger
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Table of Contents (15) Chapters Close

Preface 1. Hello Rust! FREE CHAPTER 2. Cargo and Crates 3. Storing Efficiently 4. Lists, Lists, and More Lists 5. Robust Trees 6. Exploring Maps and Sets 7. Collections in Rust 8. Algorithm Evaluation 9. Ordering Things 10. Finding Stuff 11. Random and Combinatorial 12. Algorithms of the Standard Library 13. Assessments 14. Other Books You May Enjoy

Binary searching

Binary trees greatly reduce the number of comparison operations by creating branches from the collection, just like a binary tree would. This creates a tree on-the-fly, resulting in superior search performance. The significance is predictability, which allows us to build the tree and provides the options for what branch the algorithm can expect the result in.

A binary search, just like a jump search, requires the incoming slice to be ordered for it to work. Then the algorithm splits the array in half and chooses the side that will most likely contain the item. Once there are two collections, the behavior is very similar to that of a binary tree walk, as follows:

Again, given that the sorting effort trumps the algorithm's runtime complexity, it's that of the sorting algorithm that will be considered the outcome: O(n log n). However, we should also be interested in the real performance, if the collection is already sorted; it's significantly lower! First...

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