As an experienced Competitive Programmer with expertise in Java, C, Cpp, and Python, I have solved over 900 problems in GeeksforGeeks, and possess an in-depth understanding of various data structures and algorithms, including arrays, stacks, queues, trees, linked lists, and more. As a seasoned mentor, I have worked with numerous DSA batches and helped students improve their coding skills and problem-solving abilities. Additionally, I have cleared coding rounds from top companies like Oracle, JPMorgan, and Chase, which has further strengthened my understanding of the industry's best practices. With my extensive knowledge and experience, I am confident that I can effectively guide and teach aspiring Competitive Programmers to achieve their full potential.