Start with this: https://www.educative.io/courses/grokking-the-coding-interview https://www.educative.io/courses/grokking-the-coding-intervi... That covers a l

Start with this: https://www.educative.io/courses/grokking-the-coding-interview https://www.educative.io/courses/grokking-the-coding-intervi... That covers a lot of patterns you can typically use to solve a problem. Keep practicing and don’t lose heart. Use mock interviews to get valuable feedback. You can do it.