![]() Sort the two sub-sequences by comparing the two top elements recursively.Divide the n-element sequence to be sorted into two sub-sequences of n/2 elements each.In each recursion step, a merge sort operates the following 3 steps: See section 2.3.1 of Introduction to Algorithms. The merge sort follows the divide-and-conquer approach closely. Combine the solutions to the smaller problems into the solution for the original problem.Divide the problem into smaller instances of the same problem.It includes 3 steps that are executed recursively until the problem is solved: The divide-and-conquer is another approach. ![]() Each step of the algorithms sorts one element, and thus the algorithms solve the problem incrementally. In earlier posts, I went through the insertion sort and the selection sort algorithms.
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