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C++ Data Structures and Algorithms

You're reading from   C++ Data Structures and Algorithms Learn how to write efficient code to build scalable and robust applications in C++

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Product type Paperback
Published in Apr 2018
Publisher Packt
ISBN-13 9781788835213
Length 322 pages
Edition 1st Edition
Languages
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Author (1):
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Wisnu Anggoro Wisnu Anggoro
Author Profile Icon Wisnu Anggoro
Wisnu Anggoro
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Table of Contents (10) Chapters Close

1. Learning Data Structures and Algorithms in C++ FREE CHAPTER 2. Storing Data in Lists and Linked Lists 3. Constructing Stacks and Queues 4. Arranging Data Elements Using a Sorting Algorithm 5. Finding out an Element Using Searching Algorithms 6. Dealing with the String Data Type 7. Building a Hierarchical Tree Structure 8. Associating a Value to a Key in a Hash Table 9. Implementation of Algorithms in Real Life 10. Other Books You May Enjoy

Building a List ADT


A list is a sequence of items with similar data types, where the order of the item's position matters.There are several common operations that are available in a List ADT, and they are:

  • Get(i), which will return the value of selected index, i. If the i index is out of bounds, it will simply return -1.
  • Insert(i, v), which will insert the v value at the position of index i.
  • Search(v), which will return the index of the first occurrence of v (if the v value doesn't exist, the return value is -1).
  • Remove(i), which will remove the item in the i index. 

Note

For simplicity, we are going to build a List ADT that accepts int data only, from zero (0) and higher. 

Now, by using the array data type we discussed earlier, let's build a new ADT named List which contains the preceding operations. We need two variables to hold the list of items (m_items) and the number of items in the list (m_count). We will make them private so that it cannot be accessed from the outside class. All four operations...

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