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

# Tag Archives: deque

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

Deque is a Double Ended Queue which is implemented using the collections module in Python. Let us see how can we get the first and… Read More

Given a string str, the task is to find the substring of length K which occurs the maximum number of times. If more than one… Read More

Given an array arr[] of size N and queries Q[][], the task is to perform the following types of queries on the given array. 0:… Read More

Given string str of length N and an integer K, the task is to return the largest string in Dictionary Order by erasing K characters… Read More

Given a non-decreasing array arr[] and an integer K, the task is to remove K elements from the array such that maximum difference between adjacent… Read More

Given a Binary Tree, the task is to print spiral order traversal of the given tree. For below tree, the function should print 1, 2,… Read More

Given a singly linked list and an integer K, the task is to reverse every K nodes of the given linked list. Examples: Input: 1… Read More

Given a string S containing letters and ‘#‘. The ‘#” represents a backspace. The task is to print the new string without ‘#‘.Examples: Input :… Read More

Given a Linked List of integers. The task is to write a program to modify the linked list such that all even numbers appear before… Read More

Given a linked list. arrange the linked list in manner of alternate first and last element. Examples: Input : 1->2->3->4->5->6->7->8 Output :1->8->2->7->3->6->4->5 Input :10->11->15->13 Output… Read More

Deque or Double ended queues are sequence containers with the feature of expansion and contraction on both the ends. They are similar to vectors, but… Read More