MediumNo. 2394LeetCode Premium
Employees With Deductions — LeetCode 2394 Python Solution
- Topics
- Database
- Reading time
- 4 min
- Source
- leetcode.com
Table schema
Table: Employees +--------------+------+ | Column Name | Type | +--------------+------+ | employee_id | int | | needed_hours | int | +--------------+------+ employee_id is column with unique values for this table. Each row contains the id of an employee and the minimum number of hours needed for them to work to get their salary.Example
+--------------+------+
| Column Name | Type |
+--------------+------+
| employee_id | int |
| needed_hours | int |
+--------------+------+
employee_id is column with unique values for this table.
Each row contains the id of an employee and the minimum number of hours needed for them to work to get their salary.Python solution
import duckdb
import pandas as pd
def solution(employees: pd.DataFrame, logs: pd.DataFrame) -> pd.DataFrame:
con = duckdb.connect()
con.register("Employees", employees)
con.register("Logs", logs)
return con.execute("""WITH
T AS (
SELECT
employee_id,
SUM(ceiling(TIMESTAMPDIFF(second, in_time, out_time) / 60)) / 60 AS tot
FROM Logs
GROUP BY employee_id
)
SELECT employee_id
FROM
Employees
LEFT JOIN T USING (employee_id)
WHERE IFNULL(tot, 0) < needed_hours;""").df()Complexity
- Time
- O(n log n)(typical)
- Space · auxiliary
- O(n)
Related problems
| No. | Problem | Difficulty |
|---|---|---|
| 0175 | Combine Two Tables | Easy |
| 0176 | Second Highest Salary | Medium |
| 0177 | Nth Highest Salary | Medium |
| 0178 | Rank Scores | Medium |
| 0180 | Consecutive Numbers | Medium |
| 0181 | Employees Earning More Than Their Managers | Easy |
Frequently asked questions
- How hard is LeetCode 2394. Employees With Deductions?
LeetCode 2394. Employees With Deductions is rated Medium on LeetCode.
- What topics does LeetCode 2394. Employees With Deductions cover?
LeetCode 2394. Employees With Deductions is tagged Database on LeetCode.
- Is LeetCode 2394. Employees With Deductions a premium problem?
Yes. LeetCode 2394. Employees With Deductions is a LeetCode Premium problem, so the full statement and test cases require a paid LeetCode subscription.