Given an array arr[] of length N and an integer K, the task is to count the number of pairs (i, j) such that i… Read More

# Tag Archives: Merge Sort

Given an array arr[] consisting of N unique elements, the task is to generate an array B[] of length N such that B[i] is the… Read More

Visualizing algorithms makes it easier to understand them by analyzing and comparing the number of operations that took place to compare and swap the elements.… Read More

Given an N-ary Tree rooted at 1, and an array val[] consisting of weights assigned to every node, and a matrix Q[][], consisting of queries… Read More

Prerequisites: Introduction to Matplotlib, Merge Sort Visualizing algorithms makes it easier to understand them by analyzing and comparing the number of operations that took place… Read More

Given an array arr[] of size N and Q queries of the form [L, R], the task is to find the number of distinct values… Read More

Pre-requisite: Merge Sort, Insertion Sort Merge Sort: is an external algorithm and based on divide and conquer strategy. In this sorting: The elements are split… Read More

The human brain can easily process visuals instead of long codes to understand the algorithms. In this article, a program that program visualizes the Merge… Read More

Introsort(Introspective sort) is a comparison based sort that consists of three sorting phases. They are Quicksort, Heapsort, and Insertion sort. Basic concepts of Introsort and… Read More

Giving k sorted arrays, each of size N, the task is to merge them into a single sorted array.Examples: Input: arr[][] = {{5, 7, 15,… Read More

Implement Merge Sort i.e. standard implementation keeping the sorting algorithm as in-place. In-place means it does not occupy extra memory for merge operation as in… Read More

Given a singly linked list of integers, the task is to sort it using iterative merge sort. Recommended: Please solve it on “PRACTICE” first,… Read More

Prerequisite :Merge Sort and Quick Sort Quick sort is an internal algorithm which is based on divide and conquer strategy. In this: The array of… Read More

Merge two sorted linked list of size n1 and n2. The duplicates in two linked list should be present only once in the final sorted… Read More

We have discussed Merge sort. How to modify the algorithm so that merge works in O(1) extra space and algorithm still works in O(n Log… Read More