Microsoft Software Engineer(Internship) interview questions

Interviewed for total of three rounds, each took about a week to proceed and received offer two weeks after final interview. Recruiter is kind to tell you your performance on interviews too. Unofficial email from recruiter saying positive first then offer.

Data Structure and Algorithms and OOPs concept . They only want to check if your basic concepts are cleared or not and also they want to know how u tackle any problem that u faced during building your project