## Maximum element in min heap

Given a min heap, find the maximum element present in the heap. Examples: Input : 10 / \ 25 23 / \ / \ 45… Read More »

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Given a min heap, find the maximum element present in the heap. Examples: Input : 10 / \ 25 23 / \ / \ 45… Read More »

Given a max heap, find the minimum element present in the heap. Examples: Input : 100 / \ 75 50 / \ / \ 55… Read More »

Given an array of n elements, where each element is at most k away from its target position, devise an algorithm that sorts in O(n… Read More »

There are two parts of memory in which an object can be stored: stack – Memory from the stack is used by all the members… Read More »

Prerequisite : HeapSort Heap sort is a comparison based sorting technique based on Binary Heap data structure. It is similar to selection sort where we… Read More »

Priority Queue is an extension of the queue with following properties. 1) An element with high priority is dequeued before an element with low priority.… Read More »

In C++, priority_queue implements heap. Below are some examples of creating priority queue of pair type. Max Priority queue (Or Max heap) ordered by first… Read More »

Given an infinite stream of integers, find the k’th largest element at any point of time. It may be assumed that 1 <= k <=… Read More »

There were a total of 3 rounds. 1st was online coding, 2nd was written coding and last round was divided in three parts, basically 3… Read More »

Given k sorted arrays of possibly different sizes, merge them and print the sorted output. Examples: Input: k = 3 arr[][] = { {1, 3},… 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 »

In the previous post, top 10 algorithms/questions on different topics that are most asked in interviews is discussed. In this post, top 10 problems on… Read More »

Given a Binary Search Tree which is also a Complete Binary Tree. The problem is to convert a given BST into a Special Max Heap… Read More »

Implementing priority CPU scheduling. In this problem, we are using Min Heap as the data structure for implementing priority scheduling. In this problem smaller numbers… Read More »

Given an array a, your task is to convert it into a non-increasing form such that we can either increment or decrement the array value… Read More »