Visualizing Data Structures by Rhonda Hoenigman

By Rhonda Hoenigman

This booklet is meant for an introductory information constructions category, both as a complement to a standard textbook or as a stand-alone source. The meant viewers is second-semester desktop technology scholars with wisdom of programming in C or C++. the point of interest is on basic strategies of knowledge constructions and algorithms and offering the required element for college students to enforce the information constructions awarded. easy information buildings, together with arrays, stacks, queues, associated lists, timber, binary seek bushes, tree balancing, hash tables, and graphs are provided, together with the operations on these info constructions. The algorithms are offered in a language which may be known as “pseudocode with C++ tendencies.” in lots of instances, uncomplicated C++ is additionally supplied. Sorting algorithms and an advent to complexity research and Big-Oh notation also are incorporated. every one bankruptcy comprises various photos depicting the knowledge buildings and the way the fundamental operations at the buildings alter their contents.

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By Rhonda Hoenigman

This booklet is meant for an introductory information constructions category, both as a complement to a standard textbook or as a stand-alone source. The meant viewers is second-semester desktop technology scholars with wisdom of programming in C or C++. the point of interest is on basic strategies of knowledge constructions and algorithms and offering the required element for college students to enforce the information constructions awarded. easy information buildings, together with arrays, stacks, queues, associated lists, timber, binary seek bushes, tree balancing, hash tables, and graphs are provided, together with the operations on these info constructions. The algorithms are offered in a language which may be known as “pseudocode with C++ tendencies.” in lots of instances, uncomplicated C++ is additionally supplied. Sorting algorithms and an advent to complexity research and Big-Oh notation also are incorporated. every one bankruptcy comprises various photos depicting the knowledge buildings and the way the fundamental operations at the buildings alter their contents.

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The output of these cout statements is: Now the value of *ptrB is 60 The value of intB is 60 3 Arrays An array is a data structure used to store a collection of data, where each element in the collection is the same type and size. All array elements are stored in a contiguous block of computer memory. Arrays are often used to store data collected over time, and the index in the array establishes the order in the data. An array data type is available in most programming languages and is also the underlying data structure for interfaces, such as Vectors, in higher-level languages.

Hoenigman’s research interests include predictive modeling and optimization of issues surrounding food waste and food justice systems. She has taught undergraduate courses in introductory computer programming, data structures and algorithms, discrete structures, and artificial intelligence. Introduction This book is intended for computer science students who understand the basics of programming and are ready to launch into a discovery of data structures, which are fundamental to an appreciation of the field of computer science.

The state of the array at the end of the for loop is shown in Figure 7. On Line 3 of the algorithm, the number of elements in the array is decremented by 1 to reflect that an element was removed. The value of x[6] remains unchanged, but won’t be accessed as long as numElements contains the correct number of “active” array elements. Figure 6. Array x for Example 3. 4. Figure 7. State of array x after x[4] is removed. There is still at 6 at x[6] but it won’t be accessed because numElements will restrict the for loop to evaluate x[0 … 5] only.

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