Leetcode

LeetCode is a widely recognized online platform used for preparing coding interviews and improving problem-solving skills. It offers a vast collection of programming challenges that can be solved in multiple programming languages. The problems are categorized by difficulty level, and each problem has a solution provided by the community. LeetCode also provides a discussion board for each problem where users can discuss solutions, optimized ideas, and their thoughts. It also features mock interviews, articles, and a strong community of programmers to engage and learn from.