Public static int LinearSearch( ref int x, int valueToFind) Notice that again we use a method that mixes up the data, displays the data, calls the sorting algorithm, and displays the results: Here is the output of the different approach. Public static void CocktailSort( ref int x)ĭisplayElements( ref xdata, ' a', " CocktailSort") It is relatively the same, but coded differently to make it more efficient with the 20 data elements: Public static void bubbleSort2( ref int x)ĭisplayElements( ref xdata, ' a', " bubbleSort2") The example code, however, is meant to demonstrate how it works. X = ( int)(rdn.NextDouble() * x.Length) Ĭonsole.WriteLine( " Sorting Algorithms Demo Code\n\n") ĭisplayElements( ref xdata, ' a', " bubbleSort1") Ĭonsole.WriteLine( " Press Enter to Exit.") Īdmittedly, the amount of data in this example is very small. Static void MixDataUp( ref int x, Random rdn) Public static void DisplayElements( ref int xArray, char status, string sortname)Ĭonsole.WriteLine( " After sorting using algorithm: " sortname) įor ( int i = 0 i <= xArray.Length - 1 i ) Public static void bubbleSort1( ref int x) Let's look at a basic example of a C# algorithm called Bubble Sort: If we are sorting data, we are obviously inputting unsorted data into the computational model. In actual practice, technical documentation asserts that a list is usually expressed in the form of an array or a more advanced data structure such as a linked list. A list is an abstract concept consisting of a finite collection of fixed-length entities that can be arranged either in random order or in an increasing or decreasing sequential order. Note that the referenced material contained within this article was obtained from the book "Numerical Methods, Algorithms, and Tools in C#", written by Waldemar Dos Passos, CRC Press.Ī sorting algorithm is essentially a sort of cookbook containing code instructions for organizing the elements of a list into a well-defined numerical or alphabetical order. Arrays, on the other hand, do not automatically adjust their size at runtime to accommodate changes in their initial number of allotted elements unless the one writing the code manually codes in a new array or uses the array class' Resize method. However, one key advantage of using collection classes over conventional arrays is that collections can dynamically grow and shrink as their number of elements change. Both of these classes have properties that are very similar to C# arrays and, in addition, also come with their own methods for performing efficient sorting and searching. Consider the generic List class found in the namespace and the ArrayList class found in the System.Collections namespace. Along with methods for organizing, storing, and retrieving data, these classes provides methods for sorting and searching. The FCL provides several classes, called collections, which are used to store groups of related objects. As such, it assumes that the reader has a working knowledge of Generics. This article will focus on the sorting and searching algorithms enabled via the.
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