1890. The Latest Login in 2020 LeetCode Solution

In this guide, you will get 1890. The Latest Login in 2020 LeetCode Solution with the best time and space complexity. The solution to The Latest Login in 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. The Latest Login in solution in C++
4. The Latest Login in solution in Java
5. The Latest Login in solution in Python
6. Additional Resources

Problem Statement of The Latest Login in

Table: Logins

+—————-+———-+
| Column Name | Type |
+—————-+———-+
| user_id | int |
| time_stamp | datetime |
+—————-+———-+
(user_id, time_stamp) is the primary key (combination of columns with unique values) for this table.
Each row contains information about the login time for the user with ID user_id.

Write a solution to report the latest login for all users in the year 2020. Do not include the users who did not login in 2020.
Return the result table in any 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

1890. The Latest Login in 2020 LeetCode Solution in C++

SELECT
  user_id,
  MAX(time_stamp) AS last_stamp
FROM Logins
WHERE YEAR(time_stamp) = 2020
GROUP BY 1;
/* code provided by PROGIEZ */

1890. The Latest Login in 2020 LeetCode Solution in Java

N/A
// code provided by PROGIEZ

1890. The Latest Login in 2020 LeetCode Solution in Python

N/A
 # code by PROGIEZ

Additional Resources

• Explore all LeetCode problem solutions at Progiez here
• Explore all problems on LeetCode website here

Happy Coding! Keep following PROGIEZ for more updates and solutions.