Arcesium Software Developer Intern interview questions

OA followed by 4 rounds of interview including HR round. Mainly asked on subjects, and few medium-hard coding problems. Interviewers were friendly, was also asked some puzzles. Grilled mainly on DBMS OOPS OS

The interview had 5 rounds totally FIRST ROUND - It was an online assessment round with 2 DSA problems , 15 coding Mcqs and 15 aptitude. The DSA problems where one easy and one medium types SECOND ROUND - live coding round , one DSA problem have to explain the brute force and optimal solution along with its time and space complexities. THIRD ROUND - Questions about OOPS , DBMS , OS. FOURTH ROUND - One DSA problem, then one problem where I was asked to explain the approach only (need not code) then in depth discussion about my projects. FINAL ROUND (HR) - Nothing technical it was just fun conversation between me and the HR.