Belzabar Software Design Software Engineer interview questions

It was online zoom interview and there were three interviewers and one of them was very rude. One of the interviewer was very friendly and supportive and one was only observing me

It came to our campus for internship offer. It's Interview process is standard and it is divided into 3 parts. 1. Aptitude and MCQ questions. There was around 90 questions in 1 hour. Questions were from C,C++,java,OS,Database,DS,Aptitude. After qualifying for the first round, there is one coding round. 2. Coding round: It consist of 1 question to be solved in 45 minutes. Question was easy but I would suggest think twice,code once. After they had one Skype round for those who got shortlisted. 3. Skype Round: In this round, they mainly asked questions from my Resume. They even asked questions from sql-CRUD problems mostly + some theory like Normalization,etc.,they asked two Coding question:1. You have been given a binary tree,check if it does not contain any BST. 2. You have been given an array of integers,check if any sub-array elements sum is equal to a required value. If yes,print the sub-array. They even asked questions on OOPS too.They tested on all the domains.