HashedIn by Deloitte interview questions

what projects you did? draw star pattern. reverse a list

1 st online coding round had 3 questions.. 1 easy 2 average 3 hard(dp) 1 tech interview i was asked 2 coding questions One was to find the frequency of characters in a string And 2 nd was to find pairs in given array whose difference was k (given by user) 2 nd tech interview was based on linkedlist I was asked to code to make single linked list circular.. and was given to write tic tac toe code other than this oops and dbms was also there (total time 2nd interview) 1 hr