ServiceNow Assistant Software Developer interview questions

It was a campus interview, 1st round consisted of technical aptitude, 30 questions in 30 minutes. Very much doable, questions were based on C outputs, DataStructures and algorithms(Time complexities),DBMS SQL,one or two maths, Maybe from regular expressions,JAVA and all core subjects. and then 3 Technical rounds. No HR round, mostly the 3rd Tech round will have HR questions.