Google Software Engineer Internship interview questions

There was first a coding challenge and then 2 rounds of technical interview. The coding challenge was 90 minutes with 2 questions. The first round of technical interview had 2 questions with 2 different recruiters(each 45 minutes long)

Easy process. Average interview. Very friendly interviewers. I was asked questions based on basic data structures and algorithms. I got rejected because I was not able to communicate my answers well