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Attended a job fair and dropped my resume. They called me in a week for an interview session. Asked me to implement Sudoku. Asked me several data structure questions. Asked me the difference between an abstract class and an interface. A brain teaser

The process took 2 hours. We were asked about DSA and HR questions. One question was about binary search in a matrix and a variation of it. These can be found on Striver's website.

They never reimbursed my interview expenses, even after many follow-up emails. I did a lot of onsite interviews. This is my only experience without getting reimbursed, and I received no response from the recruiters and interview coordinators. They d