You are given the head of a Linked List. You have to move the last element to the front of the Linked List and return the list.
You are given a pointer/ reference to the node which is to be deleted from the linked list of N nodes. The task is to delete the node. Pointer/ reference to head node is not given.
Given an array A of size N of integers. Your task is to find the sum of minimum and maximum element in the array.
Given a String S, reverse the string without reversing its individual words. Words are separated by dots.
