The Winner University — LeetCode 2072 Python Solution
EasyLeetCode PremiumDatabase
- Problem
- #2072
- Reading time
- 3 min
- Source
- leetcode.com
Table schema
SQL
Table: NewYork +-------------+------+ | Column Name | Type | +-------------+------+ | student_id | int | | score | int | +-------------+------+ In SQL, student_id is the primary key for this table. Each row contains information about the score of one student from New York University in an exam.Example
SQL
+-------------+------+
| Column Name | Type |
+-------------+------+
| student_id | int |
| score | int |
+-------------+------+
In SQL, student_id is the primary key for this table.
Each row contains information about the score of one student from New York University in an exam.Python solution
Python
import duckdb
import pandas as pd
def solution(new_york: pd.DataFrame, california: pd.DataFrame) -> pd.DataFrame:
con = duckdb.connect()
con.register("NewYork", new_york)
con.register("California", california)
return con.execute("""SELECT
CASE
WHEN n1.cnt > n2.cnt THEN 'New York University'
WHEN n1.cnt < n2.cnt THEN 'California University'
ELSE 'No Winner'
END AS winner
FROM
(SELECT COUNT(1) AS cnt FROM NewYork WHERE score >= 90) AS n1,
(SELECT COUNT(1) AS cnt FROM California WHERE score >= 90) AS n2;""").df()Complexity
| Measure | Complexity |
|---|---|
| Time | O(n log n) (typical) |
| Space | O(n) auxiliary |
Related problems
Frequently asked questions
- How hard is LeetCode 2072. The Winner University?
- LeetCode 2072. The Winner University is rated Easy on LeetCode.
- What topics does LeetCode 2072. The Winner University cover?
- LeetCode 2072. The Winner University is tagged Database on LeetCode.
- Is LeetCode 2072. The Winner University a premium problem?
- Yes. LeetCode 2072. The Winner University is a LeetCode Premium problem, so the full statement and test cases require a paid LeetCode subscription.