MediumNo. 2394LeetCode Premium

Employees With Deductions — LeetCode 2394 Python Solution

Topics
Database
Reading time
4 min

Table schema

SQLTable 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

SQLExample
+--------------+------+
| 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

PythonSolution
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

Related problems
No.ProblemDifficulty
0175Combine Two TablesEasy
0176Second Highest SalaryMedium
0177Nth Highest SalaryMedium
0178Rank ScoresMedium
0180Consecutive NumbersMedium
0181Employees Earning More Than Their ManagersEasy

Frequently asked questions

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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.

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