## Height of a complete binary tree (or Heap) with N nodes

Consider a Binary Heap of size N. We need to find height of it. Examples : Input : N = 6 Output : 2 ()… Read More »

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Consider a Binary Heap of size N. We need to find height of it. Examples : Input : N = 6 Output : 2 ()… Read More »

A skew heap (or self – adjusting heap) is a heap data structure implemented as a binary tree. Skew heaps are advantageous because of their… Read More »

Given an array of elements, sort the array in decreasing order using min heap. Examples: Input : arr[] = {5, 3, 10, 1} Output :… Read More »

HeapSort is a comparison based sorting technique where we first build Max Heap and then swaps the root element with last element (size times) and… Read More »

Given an array of n integers and a number m, find the maximum possible difference between two sets of m elements chosen from given array.… Read More »

In previous post i.e. Set 1 we have discussed that implements these below functions: insert(H, k): Inserts a key ‘k’ to Binomial Heap ‘H’. This… Read More »

Given two equally sized arrays (A, B) and N (size of both arrays). A sum combination is made by adding one element from array A… Read More »

Given an n x n matrix and integer k. Find the k’th smallest element in the given 2D array. Examples: Input : mat = [[10,… Read More »

We have discussed one loss minimization strategy before: Job Sequencing Problem – Loss Minimization. In this article, we will look at another strategy that applies… Read More »

Given n, how many distinct Max Heap can be made from n distinct integers? Examples: Input : n = 3 Output : Assume the integers… Read More »

Given an array arr[] containing n elements. The problem is to find maximum number of distinct elements (non-repeating) after removing k elements from the array.… Read More »

Round 1: Place all numeric characters in string before alphabet characters . Using min swaps and O(1) space and Maintain the order of characters. Round… Read More »

Given an n x n matrix, where every row and column is sorted in non-decreasing order. Print all elements of matrix in sorted order. Examples:… Read More »

Given the sequence find the lexicographically smallest (earliest in dictionary order) derangement of . A derangement of S is as any permutation of S such… Read More »

Given two sorted arrays, the task is to merge them in a sorted manner. Examples: Input : arr1 = [1, 3, 4, 5] arr2 =… Read More »