The program output is also shown below. Here is the source code of the C Program to Implement Selection Sort using Recursion. Tag: Merge Sort Program in C Using Recursion. We compare the elements of Array 1 and Array 2 and push them in Array 3 accordingly. Background : Bubble Sort is the simplest sorting algorithm that works by repeatedly swapping the adjacent elements if they are in wrong order. Most importantly it … It uses a divide and conquer paradigm for sorting. Merge sort is one of the most powerful sorting algorithms. ( 1 5 4 2 8 ) –> ( 1 4 5 2 8 ), Swap since 5 > 4 ( 1 4 5 2 8 ) –> ( 1 4 2 5 8 ), Swap since 5 > 2 Example: First Pass: ( 5 1 4 2 8 ) –> ( 1 5 4 2 8 ), Here, algorithm compares the first two elements, and swaps since 5 > 1. With the worst-case time complexity being Ο(n log n), it is one of the most respected algorithms. It divides the problem into sub problems and solves them individually. It is rather amazing, that many programmers are unable to write 'Merge Sort' correctly. Also it can be used to count number of inversions in an array of integers. The best part about these algorithms is that they are able to sort a given data in O(nLogn) complexity as against O(n 2) complexity (we will soon see how) of bubble sort and selection sort. Here is the source code of the C program to display a linked list in reverse. With its guarantee of O(n log n) time complexity, it is a dependable sorting algorithm. Design & Analysis of Algorithms. The C Program is successfully compiled and run on a Windows system. The C program is … It is used for sorting numbers, structure, files. The logic to merge two sorted arrays using recursion is the same as merging two sorted arrays using a while loop. Merge sort is widely used in various applications as well. Suppose Array 1 and Array 2 are the input array and Array 3 is the output array. Implementation in C. We shall see the implementation of merge sort in C programming language here − Merge sort is a sorting technique based on divide and conquer technique. The following C program, using recursion, performs merge sort. A merge sort is a sorting algorithm with complexity of O(nlogn). Merge Sort Algorithm | Example | Time Complexity. Merge Sort- Merge sort is a famous sorting algorithm. Merge sorting takes one array (in the below example code), copies it into a duplicate array, divides the array in half and sorts each independently, uses recursion to sort the values, and then puts the sorted array back into the original data structure. And conquer technique it divides the problem into sub problems and solves them individually successfully compiled and run a! List in reverse 2 and push them in Array 3 accordingly paradigm for sorting Windows system compare. With the worst-case time complexity, it is a sorting algorithm that works by swapping. 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