What is the best way to learn algorithm?

Learning algorithms effectively involves a combination of theoretical understanding, practical implementation, and consistent practice. Here are some steps you can follow to learn algorithms:
1) Understand the Basics:

• Start with the fundamentals of programming and data structures. Algorithms often build upon these concepts.
• Make sure you're comfortable with concepts like arrays, linked lists, stacks, queues, trees, and graphs.

2) Choose the Right Language:

• Pick a programming language that you are comfortable with. Common choices include Python, Java, C++, and others.
• Familiarize yourself with the basic syntax and libraries of your chosen language.

3) Follow a Structured Curriculum:

• Use online platforms like Coursera, edX, Khan Academy, or similar, to follow a structured algorithm course. Some popular algorithm courses are offered by universities like Stanford and MIT.
• Books like "Introduction to Algorithms" by Cormen, Leiserson, Rivest, and Stein (CLRS) are excellent resources for in-depth understanding.

4) Practice, Practice, Practice:

• Implement the algorithms you learn. Start with simple ones and gradually move to more complex ones.
• Use platforms like LeetCode, HackerRank, CodeSignal, or similar to practice algorithmic problems. These platforms often have a variety of problems sorted by difficulty.

5) Understand Time and Space Complexity:

• Learn to analyze the time and space complexity of your algorithms. Big O notation is commonly used for this purpose.
• Understand the efficiency of different algorithms for solving the same problem.

6) Participate in Coding Challenges and Contests:

• Engage in coding challenges on platforms like Codeforces, TopCoder, or participate in contests like Google Code Jam, Facebook Hacker Cup, or LeetCode contests.
• This will expose you to a variety of problems and help you develop problem-solving skills under time constraints.

7) Read Others' Code:

• Review and understand code written by others. This can be insightful in learning different approaches to solving problems.
• Open-source projects on platforms like GitHub can be excellent resources.

8) Stay Informed:

• Keep up with the latest developments in algorithms and data structures. Follow academic publications, blogs, and forums.
• Attend conferences, webinars, or workshops related to algorithms and computer science.

9) Build Real-World Applications:

• Apply your algorithmic knowledge to real-world projects. This will deepen your understanding and provide practical experience.
• Consider contributing to open-source projects to collaborate with experienced developers.

10) Teach Others:

• Teaching is a powerful tool for learning. Share your knowledge by explaining algorithms to others or contributing to online communities.

Remember that learning algorithms is a gradual process, and consistency is key. It's also important to balance theoretical knowledge with practical implementation to become a proficient algorithmic problem solver.