The process is long (about 6 hours in total) and requires significant preparation.

The recruiters are well-trained and provide clear guidance for preparation, while also being present to support throughout the different stages. The technical exercises primarily focus on optimizing algorithm and system performance.

However, the interview with the manager was a negative experience for me, with a contact that felt hostile. This contrasts with the rest of the recruitment team, who were professional and respectful throughout the process.

What is the time complexity (O) of the algorithm?