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Category Archives: Queue

Queue: A Queue is a linear data structure that follows a First In First Out (FIFO) order in which the operations are performed. It is… Read More
Given an array arr[] consisting of N integers and an integer K, the task is to find the Kth smallest element in the array using… Read More
Prerequisite: Queue in Python Here given a queue and our task is to dump the queue into list or array. We are to see two… Read More
Given two arrays arr[] and jumps[] consisting of N positive integers, the task for each array element arr[i] is to find the minimum number of… Read More
Given string str, the task is to find the minimum count of characters that need to be deleted from the string such that the frequency… Read More
Given an integer N, a binary string S and an array W[]. S denotes the sequence of N * 2 persons entering the hall, where… Read More
Given an N-ary tree and an element X, the task is to print the siblings of the node with value X. Two nodes are considered… Read More
Given a Linked List of even number of nodes, the task is to generate a new Linked List such that it contains the maximum difference… Read More
Given two arrays A[] and B[] consisting of N integers, the task is to update array A[] by assigning every array element A[i] to a… Read More
Given M servers that handle multiple requests having infinite computational capability and arrays arrivalTime[] and processTime[] of size N denoting the arrival time and load… Read More
Given a binary string, str, two integer arrays R[], and C[] of size N. Flipping all the characters from index i to R[i] requires C[i]… Read More
Given a Binary Tree, the task is to check if it consists of node values arranged in strictly increasing order at even levels and strictly… Read More
Given a Binary Tree, the task is to check if the binary tree is an Even-Odd binary tree or not.  A Binary Tree is called… Read More
Given two positive integers N and K and an array F[] consisting of K positive integers. The Nth term of the recurrence relation is given… Read More