Leetcode is famous for being a perfect platform for practicing coding problems and to master coding interviews, unlike others, it is not for competitive programming, this guide will help you to get started with Leetcode without losing hope too early.
It is famous for being yet another malicious HR tool to filter out applicants, playing them off against each other and depress wages of professionals. Leetcode “problems” have basically nothing to do with actual day-to-day software developing work, a fact many interviewers seem to be oblivious about. Answering those questions about abstruse algorithms or abstract problems isn’t a indicator of how well you do on the actual job. Gaining experience through working on small (Open Source) projects on your own, interning at different companies or being able to integrate fast in existing workflows/project structures is.
Before wasting your time grinding those useless questions and stupidly memorizing the answers, ask yourself: “Do I really want to work for an employer who treats his applicants this way and puts so little effort in understanding the actual requirements of this job?”. Because the way applicants are treated speaks volumes about the rest of the company.