ServiceNow Associate Software Engineer interview questions

3 rounds, First round: DSA 3 questions, target sum with repeating, target sum without repeating, target sum repeating with zeros present in the array. Second Round: OS , DBMS, CN, simple DSA Third Round: HR

One recruiter call and then one interview. Was not selected for the next round. Questions on previous internships experience (DB and Backend related questions). Easy leetcode question. The interviewer seemed a little uninterested from the beginning.