1729. Find Followers Count LeetCode Solution

In this guide, you will get 1729. Find Followers Count LeetCode Solution with the best time and space complexity. The solution to Find Followers Count problem is provided in various programming languages like C++, Java, and Python. This will be helpful for you if you are preparing for placements, hackathons, interviews, or practice purposes. The solutions provided here are very easy to follow and include detailed explanations.

Table of Contents

  1. Problem Statement
  2. Complexity Analysis
  3. Find Followers Count solution in C++
  4. Find Followers Count solution in Java
  5. Find Followers Count solution in Python
  6. Additional Resources
1729. Find Followers Count LeetCode Solution image

Problem Statement of Find Followers Count

Table: Followers

+————-+——+
| Column Name | Type |
+————-+——+
| user_id | int |
| follower_id | int |
+————-+——+
(user_id, follower_id) is the primary key (combination of columns with unique values) for this table.
This table contains the IDs of a user and a follower in a social media app where the follower follows the user.

Write a solution that will, for each user, return the number of followers.
Return the result table ordered by user_id in ascending order.
The result format is in the following example.

Example not found

Constraints not found

Complexity Analysis

  • Time Complexity: Google AdSense
  • Space Complexity: Google Analytics

1729. Find Followers Count LeetCode Solution in C++

SELECT
  user_id,
  COUNT(follower_id) AS followers_count
FROM Followers
GROUP BY 1
ORDER BY 1;
/* code provided by PROGIEZ */

1729. Find Followers Count LeetCode Solution in Java

N/A
// code provided by PROGIEZ

1729. Find Followers Count LeetCode Solution in Python

N/A
# code by PROGIEZ

Additional Resources

See also  1700. Number of Students Unable to Eat Lunch LeetCode Solution

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