Link : Linked List CycleGiven head, the head of a linked list, determine if the linked list has a cycle in it.There is a cycle in a linked list if the
Link : Longest Common PrefixWrite a function to find the longest common prefix string amongst an array of strings.If there is no common prefix, return
Link : Palindrome NumberGiven an integer x, return true if x is palindrome integer.An integer is a palindrome when it reads the same backward as forwa
Given the head of a sorted linked list, delete all duplicates such that e
Given a signed 32-bit integer x, return x with its digits reversed. If reversing x causes the value to go outside the signed 32-bit integer range \[-2
Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target.You may assume that each inpu