Quick Sort Using Recursion in C

"Quicksort is a sorting algorithm developed by Tony Hoare that, on average, makes O(n log n) comparisons to sort n items. In the worst case, it makes O(n2) comparisons, though this behavior is rare. Quicksort is often faster in practice than other O(n log n) algorithms.[1] Additionally, quicksort's sequential and localized memory references work well with a cache. Quicksort can be implemented with an in-place partitioning algorithm, so the entire sort can be done with only O(log n) additional space." - Wikipedia

Written by Munia Balayil

Merge Sort Using Recursion in C

GATE 2013 Comprehensive Information Page @ http://www.codeblocks.info/2012/08/gate-2013.html

"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. Merge sort is a divide and conquer algorithm that was invented by John von Neumann in 1945." - Wikipedia

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Written by Munia Balayil