LeetCode 1729: Find Followers Count Solution
Master LeetCode problem 1729 (Find Followers Count), a easy challenge, with our optimized solutions in Java, C++, and Python. Explore detailed explanations, test your code in our interactive editor, and prepare for coding interviews.
1729. Find Followers Count
Problem Explanation
Explanation:
To solve this problem, we need to count the number of followers for each user. We can achieve this by grouping the followers by user_id and then counting the number of followers for each user. We can use a GROUP BY query to group the followers by user_id and then use COUNT function to count the number of followers for each user.
Solution Code
# Write your Java solution here
SELECT user_id, COUNT(follower_id) AS followers_count
FROM Followers
GROUP BY user_id
ORDER BY user_id;Try It Yourself
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