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Tag Archives: Quick Sort

Write a function to implement quicksort algorithm that will work for all types of data i.e ints, floats, chars etc. It should accept all types… Read More
Given an array arr[] of integers, segregate even and odd numbers in the array. Such that all the even numbers should be present first, and… Read More
In QuickSort, ideal situation is when median is always chosen as pivot as this results in minimum time. In this article, Merge Sort Tree is… Read More
Quickselect is a selection algorithm to find the k-th smallest element in an unordered list. It is related to the quick sort sorting algorithm.Examples:  Input:… Read More
As we know, the single pivot quick sort takes a pivot from one of the ends of the array and partitioning the array, so that… Read More
You have been given an array and you have to make a program to convert that array such that positive elements occur at even numbered… Read More
An array contains both positive and negative numbers in random order. Rearrange the array elements so that all negative numbers appear before all positive numbers.… Read More
This a common question asked in DS interviews that despite of better worst case performance of mergesort, quicksort is considered better than mergesort. There are… Read More
We have discussed the implementation of QuickSort using Lomuto partition scheme. Lomuto’s partition scheme is easy to implement as compared to Hoare scheme. This has… Read More
We have discussed sorting weapons used by different languages in previous article. In this article, C++’s Sorting Weapon, Introsort is discussed. What is Introsort?  Simply… Read More
Ever wondered how sort() function we use in C++/Java or sorted() in Python work internally? Here is a list of all the inbuilt sorting algorithms… Read More
Standard C library provides qsort function that can be used for sorting an array. Following is the prototype of qsort() function. // Sort an array… Read More
Prerequisite : Tail Call Elimination In QuickSort, partition function is in-place, but we need extra space for recursive function calls. A simple implementation of QuickSort… Read More
We have discussed (in tail recursion) that a recursive function is tail recursive if the recursive call is the last thing executed by the function. … Read More
In simple QuickSort algorithm, we select an element as pivot, partition the array around a pivot and recur for subarrays on the left and right… Read More

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