Merge Sort - GeeksforGeeks
Oct 3, 2025 · Merge sort is a popular sorting algorithm known for its efficiency and stability. It follows the Divide and Conquer approach. It works by recursively dividing the input array into two halves, …
Merge Sort in Python - GeeksforGeeks
Oct 30, 2025 · Merge Sort is one of the most efficient and stable sorting algorithms based on the Divide and Conquer technique. It divides an input array into two halves, recursively sorts them, and then …
Merge Sort Algorithm - GeeksforGeeks | Videos
Oct 8, 2024 · Merge Sort is a widely-used sorting algorithm that follows the divide and conquer approach to sort elements. It works by recursively dividing the array into smaller subarrays, sorting those …
Iterative Merge Sort - GeeksforGeeks
Sep 30, 2025 · In traditional recursive merge sort, we use a top-down approach where we keep dividing the array until we reach individual elements. However, this requires maintaining a function call stack …
C Program for Merge Sort - GeeksforGeeks
Jul 23, 2025 · Merge Sort is a comparison-based sorting algorithm that works by dividing the input array into two halves, then calling itself for these two halves, and finally it merges the two sorted halves. In …
Introduction to Sorting Techniques - GeeksforGeeks
Jul 26, 2025 · Sorting algorithms are essential in Computer Science as they simplify complex problems and improve efficiency. They are widely used in searching, databases, divide and conquer strategies, …
Sorting Algorithms - GeeksforGeeks
Jan 20, 2026 · A Sorting Algorithm is used to rearrange a given array or list of elements in an order. For example, a given array [10, 20, 5, 2] becomes [2, 5, 10, 20] after sorting in increasing order and …
C++ Program For Merge Sort - GeeksforGeeks
Jul 23, 2025 · In this article, we will learn how to implement merge sort in a C++ program. As C++ does not have inbuilt function for merge sort, we have to manually implement it.
Java Program for Merge Sort - GeeksforGeeks
Jul 23, 2025 · Merge Sort is a divide-and-conquer algorithm. It divides the input array into two halves, calls itself the two halves, and then merges the two sorted halves. The merge () function is used for …
Time and Space Complexity Analysis of Merge Sort
Mar 14, 2024 · Space Complexity Analysis of Merge Sort: Merge sort has a space complexity of O (n). This is because it uses an auxiliary array of size n to merge the sorted halves of the input array. The …