Amazon, Recently Asked Online Assessments in 27 Aug, 2025 | Single Sign-On Security Code | Lexicographical Binary Strings | HackerRank Coding Assessment |

Question 1: Single Sign-On Security Code Problem Statement: Developers at Amazon are creating a single sign-on application for the web apps in AWS. In one of its modules, a security code is in the form of a binary string that changes every minute. The characters at a pair of indices i and i+1 are swapped such that the resulting code is the lexicographically maximum binary string that can be achieved in this step. If it is not possible to make ...