This Leetcode problem Big Countries LeetCode Solution is done in SQL.

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Big Countries LeetCode Solution

Problem Statement

name is the primary key (column with unique values) for this table. Each row of this table gives information about the name of a country, the continent to which it belongs, its area, the population, and its GDP value.

A country is big if:

• it has an area of at least three million (i.e., 3000000 km2), or
• it has a population of at least twenty-five million (i.e., 25000000).

Write a solution to find the name, population, and area of the big countries.

Return the result table in any order.

The result format is in the following example.

Example 1:
Input:

Output:

Big Countries LeetCode Solution MySQL

select 
  name, 
  population, 
  area 
from 
  World 
where 
  area >= 3000000 
  or population >= 25000000;Code language: SQL (Structured Query Language) (sql)

Big Countries LeetCode Solution Pandas

import pandas as pd

def big_countries(world: pd.DataFrame) -> pd.DataFrame:
    df = world[(world['area'] >= 3000000) | (world['population'] >= 25000000)]
    return df[['name', 'population', 'area']]Code language: SQL (Structured Query Language) (sql)