Priority Queue: Priority queue is the extension of the queue in which elements associated with priority and elements having higher priority is popped first. Priority… Read More
Category Archives: Queue
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 a tree, our task is to check whether its left view is sorted or not. If it is then return true else false. Examples: Input: … Read More
Introduction : A Queue is a linear structure that follows a particular order in which the operations are performed. The order is First In First… Read More
Given a complete binary tree with N levels numbered [0, (N – 1 )] from root to the lowest level in decreasing order and having… Read More
Web Crawler is a bot that downloads the content from the internet and indexes it. The main purpose of this bot is to learn about… Read More
Given a queue Q containing N strings, the task is to restructure the queue to double its size such that the second half represents the… Read More
Problem: Design a Data Structure a SpecialQueue which supports following operations enqueue, deque, getMin() or getMax() where getMin() operation takes O(1) time.Example: Let the data… Read More
Given an integer array A[] of length N and an integer K. The task is to find K distinct integral points that are not present… Read More
Given a matrix of size N x M consisting of integers 1, 2, 3 and 4. Each value represents the possible movement from that cell: 1… Read More
Given a number N, the task is to find the Nth number which has an absolute difference of 1 between every pair of its adjacent… Read More
Introduction : In Java, a data structure is a way of organizing and storing data in memory. There are two types of data structures: static… Read More
Given N cities that are connected using N-1 roads. Between Cities [i, i+1], there exists an edge for all i from 1 to N-1.The task… Read More
Given a number K, the task is to create the Diamond-like structure of Tree which follows these two conditions: First K levels of the tree… Read More
Given a Binary Tree, the task is to print all the Exponential Levels in the given Binary Tree. An Exponential Level is a level whose… Read More
