Merge Sort | Merge Sort in C | Merge Sort algorithm in C | Merge sort simple tutorial
In computer science, merge sort (also commonly spelled mergesort) is an O(n log n) comparison-based sorting algorithm. Most implementations produce a stable sort, which means that the implementation preserves the input order of equal elements in the sorted output. Mergesort is a divide and conquer algorithm that was invented by John von Neumann in 1945.(Wikipedia).
This sorting algorithm use recursive function call to sort the array.It divides the array into smaller sub arrays and sorts them at each step bottom up, so that the final call to this algorithm sorts this array.
Merge sort algorithm is taught at different levels and one of the most commonly used algorithms and hence its worth understanding it.
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