## Implementation of Deque using Doubly Linked List

Problem Statement The problem “Implementation of Deque using Doubly Linked List” states that you need to implement the following functions of Deque or Doubly Ended Queue using a doubly linked list, insertFront(x) : Add element x at the starting of Deque insertEnd(x) : Add element x at the end of …

## Implement Stack and Queue using Deque

Problem Statement The problem “Implement Stack and Queue using Deque” states to write an algorithm to implement Stack and Queue using a Deque(Doubly Ended Queue). Example (Stack) Push(1) Push(2) Push(3) Pop() isEmpty() Pop() Size() 3 false 2 1 Example (Queue) Enqueue(1) Enqueue(2) Enqueue(3) Dequeue isEmpty() Size() Dequeue() 1 false 2 …

## Sliding Window Maximum

In Sliding Window Maximum problem we have given an array nums, for each contiguous window of size k, find the maximum element in the window. Example Input nums[] = {1,3,-1,-3,5,3,6,7} k = 3 Output {3,3,5,5,6,7} Explanation Naive Approach for Sliding Window Maximum For every contiguous window of size k, traverse …

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