View All num of num See all Photos Microsoft This employer has taken extra steps to respond to reviews and provide job seekers with accurate company information, photos, and reviews. Interested for your company?Learn More. www.microsoft.com Employer Engaged Overview Reviews Salaries Interviews Jobs Photos Benefits 9.2k Reviews 32k Salaries 4.0k Interviews Follow Add Review or Salary Follow Add Review or Salary Interview Question Engineer Interview Hyderābād (India) Microsoft given an array with N elements (~ 2n+1), which contains positive integers. All the numbers are repeating (i.e. they exist in pairs) except one. Find the non-repeating number. Tags: See more , See less 8 Answer Add Tags Answer Interview Answer 1 Answer ▲ 1 ▼ an xor (exclusive OR) of all the numbers will return the number repeating only once. Aditya on Aug 1, 2011 Add Answers or Comments To comment on this, Sign In or Sign Up.