Sabre Associate Software Engineer interview questions

The first round was the online assessment of 100 mins, conducted on the Hire pro platform. It comprised of 45 multiple-choice questions with negative marking out of which 20 questions were aptitude-based, while the other 25 were technical (CS core subjects). Other than MCQs 2 difficult level coding problems were asked, 1 was tree-based with dp and the other one was logic-based (cp type). After this there were 3 face-to-face interviews, the first was technical, the second was managerial and the last one was HR. In the technical interview, the interviewer asked me how I solve the coding questions in OA, asked me to tell him the approach and optimize the approach. Next, he gave me a Greedy algorithm Question in the chatbox and asked me to code it on my computer while sharing my screen. Next, he asked about some OOPs and DBMS concepts. In managerial round, the interviewer asked me to explain one of my projects from the Resume and then discussed some use cases. Next, he asked me to roughly design an Online Railway Ticket Booking system. Last was the HR round which lasted for about 15 mins, in which he some HR questions, and asked me what I know about Sabre.