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Tag Archives: Data Structures-Heap

Given an array arr[] consisting of N integers, the task is to find the maximum number of pairs of array elements such that each pair… Read More
Given a positive integer N, the task is to find the largest and smallest elements, from the maximum leaf nodes of every possible binary max-heap… Read More
Binary Heap:A Binary Heap is a Binary Tree with following properties. It’s a complete binary tree i.e., all levels are completely filled except possibly the… Read More
Prerequisites: Binary heap data structure heapq module in Python Dictionary in Python. The dictionary can be maintained in heap either based on the key or… Read More
Heaps are widely used tree-like data structures in which the parent nodes satisfy any one of the criteria given below. The value of the parent… Read More
Prerequisite: heapq module The heapq module has several functions that take the list as a parameter and arranges it in a min-heap order. The problem… Read More
Priority Queue is an extension of the queue with the following properties:   Every item has a priority associated with it. An element with high priority… Read More
Given an array of integers arr[] consisting of N integers, the task is to minimize the sum of the given array by performing at most… Read More
Given an array of N elements which denotes the array representation of binary heap, the task is to find the leaf nodes of this binary… Read More
A Min Heap is a Complete Binary Tree in which the children nodes have a higher value (lesser priority) than the parent nodes, i.e., any… Read More
Given an array arr size N, the task is to print the final array value remaining in the array when the maximum and second maximum… Read More
Given N elements, you can remove any two elements from the list, note their sum, and add the sum to the list. Repeat these steps… Read More
Fibonacci Heap is a collection of trees with min-heap or max-heap property. In Fibonacci Heap, trees can have any shape even all trees can be… Read More
Least Frequently Used (LFU) is a caching algorithm in which the least frequently used cache block is removed whenever the cache is overflowed. In LFU… Read More

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