Microsoft Internship, Software Developer interview questions

CV round, then screening which had a greedy algorithm and a string management question. last round consisted of a sequence of string on which had to be identified a maxmin problem involving a prefix. also a bst tree question

1CV 2Screening 3 Final round Made it to the last round. They also asked open questions about implementation of different ideas. Messed it up with an easy question about prefixes in a string sequence.