How hard is LeetCode 2026. Low-Quality Problems?

LeetCode 2026. Low-Quality Problems is rated Easy on LeetCode.

What topics does LeetCode 2026. Low-Quality Problems cover?

LeetCode 2026. Low-Quality Problems is tagged Database on LeetCode.

Is LeetCode 2026. Low-Quality Problems a premium problem?

Yes. LeetCode 2026. Low-Quality Problems is a LeetCode Premium problem, so the full statement and test cases require a paid LeetCode subscription.

Low-Quality Problems — LeetCode 2026 Python Solution

EasyLeetCode PremiumDatabase

Problem: #2026
Reading time: 2 min
Source: leetcode.com

Table schema

SQL

Table: Problems +-------------+------+ | Column Name | Type | +-------------+------+ | problem_id | int | | likes | int | | dislikes | int | +-------------+------+ In SQL, problem_id is the primary key column for this table. Each row of this table indicates the number of likes and dislikes for a LeetCode problem.

Example

SQL

+-------------+------+
| Column Name | Type |
+-------------+------+
| problem_id  | int  |
| likes       | int  |
| dislikes    | int  |
+-------------+------+
In SQL, problem_id is the primary key column for this table.
Each row of this table indicates the number of likes and dislikes for a LeetCode problem.

Python solution

Python

import duckdb
import pandas as pd

def solution(problems: pd.DataFrame) -> pd.DataFrame:
    con = duckdb.connect()
    con.register("Problems", problems)
    return con.execute("""SELECT problem_id
FROM Problems
WHERE likes / (likes + dislikes) < 0.6
ORDER BY problem_id;""").df()

Complexity

Measure	Complexity
Time	O(n log n) (typical)
Space	O(n) auxiliary

Frequently asked questions

How hard is LeetCode 2026. Low-Quality Problems?: LeetCode 2026. Low-Quality Problems is rated Easy on LeetCode.
What topics does LeetCode 2026. Low-Quality Problems cover?: LeetCode 2026. Low-Quality Problems is tagged Database on LeetCode.
Is LeetCode 2026. Low-Quality Problems a premium problem?: Yes. LeetCode 2026. Low-Quality Problems is a LeetCode Premium problem, so the full statement and test cases require a paid LeetCode subscription.