You should use this roadmap if you’re preparing for coding interviews and don’t want to keep wasting your time. These patterns are tested at Google, Meta, Amazon, Microsoft, Apple, and hundreds of other companies that use LeetCode-style interviews.
To perform well in interviews, there are basically 22 patterns you should learn well. Any problem you see will fall into one or more of these patterns.
Don’t waste your time practicing randomly. Let’s focus on what really matters.