docs: format README to use markdown tables

Author: IndexSeek

README.md

@@ -2,73 +2,87 @@
 
 Fiddling around with DataFusion, pandas, and PyArrow.
 
-### Select
+## Select
 
-- [X] [] [] 1757. [Recyclable and Low Fat Products](https://leetcode.com/problems/recyclable-and-low-fat-products) - Easy
-- [X] [] [] 584. [Find Customer Referee](https://leetcode.com/problems/find-customer-referee) - Easy
-- [X] [] [] 595. [Big Countries](https://leetcode.com/problems/big-countries) - Easy
-- [X] [] [] 1148. [Article Views I](https://leetcode.com/problems/article-views-i) - Easy
-- [X] [] [] 1683. [Invalid Tweets](https://leetcode.com/problems/invalid-tweets) - Easy
+| Problem # | Title | Difficulty | PyArrow | DataFusion | pandas |
+|----------:|:------|:-----------|:-------:|:----------:|:------:|
+| 1757      | [Recyclable and Low Fat Products](https://leetcode.com/problems/recyclable-and-low-fat-products) | Easy | ✅ | ❌ | ❌ |
+| 584       | [Find Customer Referee](https://leetcode.com/problems/find-customer-referee) | Easy | ✅ | ❌ | ❌ |
+| 595       | [Big Countries](https://leetcode.com/problems/big-countries) | Easy | ✅ | ❌ | ❌ |
+| 1148      | [Article Views I](https://leetcode.com/problems/article-views-i) | Easy | ✅ | ❌ | ❌ |
+| 1683      | [Invalid Tweets](https://leetcode.com/problems/invalid-tweets) | Easy | ✅ | ❌ | ❌ |
 
-### Basic Joins
+## Basic Joins
 
-- [X] [] [] 1378. [Replace Employee ID With The Unique Identifier](https://leetcode.com/problems/replace-employee-id-with-the-unique-identifier) - Easy
-- [X] [] [] 1068. [Product Sales Analysis I](https://leetcode.com/problems/product-sales-analysis-i) - Easy
-- [X] [] [] 1581. [Customer Who Visited but Did Not Make Any Transactions](https://leetcode.com/problems/customer-who-visited-but-did-not-make-any-transactions) - Easy
-- [X] [] [] 197. [Rising Temperature](https://leetcode.com/problems/rising-temperature) - Easy
-- [X] [] [] 1661. [Average Time of Process per Machine](https://leetcode.com/problems/average-time-of-process-per-machine) - Easy
-- [X] [] [] 577. [Employee Bonus](https://leetcode.com/problems/employee-bonus) - Easy
-- [X] [] [] 1280. [Students and Examinations](https://leetcode.com/problems/students-and-examinations) - Easy
-- [X] [] [] 570. [Managers with at Least 5 Direct Reports](https://leetcode.com/problems/managers-with-at-least-5-direct-reports) - Medium
-- [X] [] [] 1934. [Confirmation Rate](https://leetcode.com/problems/confirmation-rate) - Medium
+| Problem # | Title | Difficulty | PyArrow | DataFusion | pandas |
+|----------:|:------|:-----------|:-------:|:----------:|:------:|
+| 1378 | [Replace Employee ID With The Unique Identifier](https://leetcode.com/problems/replace-employee-id-with-the-unique-identifier) | Easy | ✅ | ❌ | ❌ |
+| 1068 | [Product Sales Analysis I](https://leetcode.com/problems/product-sales-analysis-i) | Easy | ✅ | ❌ | ❌ |
+| 1581 | [Customer Who Visited but Did Not Make Any Transactions](https://leetcode.com/problems/customer-who-visited-but-did-not-make-any-transactions) | Easy | ✅ | ❌ | ❌ |
+| 197  | [Rising Temperature](https://leetcode.com/problems/rising-temperature) | Easy | ✅ | ❌ | ❌ |
+| 1661 | [Average Time of Process per Machine](https://leetcode.com/problems/average-time-of-process-per-machine) | Easy | ✅ | ❌ | ❌ |
+| 577  | [Employee Bonus](https://leetcode.com/problems/employee-bonus) | Easy | ✅ | ❌ | ❌ |
+| 1280 | [Students and Examinations](https://leetcode.com/problems/students-and-examinations) | Easy | ✅ | ❌ | ❌ |
+| 570  | [Managers with at Least 5 Direct Reports](https://leetcode.com/problems/managers-with-at-least-5-direct-reports) | Medium | ✅ | ❌ | ❌ |
+| 1934 | [Confirmation Rate](https://leetcode.com/problems/confirmation-rate) | Medium | ✅ | ❌ | ❌ |
 
-### Basic Aggregate Functions
+## Basic Aggregate Functions
 
-- [X] [X] [] 620. [Not Boring Movies](https://leetcode.com/problems/not-boring-movies) - Easy
-- [X] [] [] 1251. [Average Selling Price](https://leetcode.com/problems/average-selling-price) - Easy
-- [X] [] [] 1075. [Project Employees I](https://leetcode.com/problems/project-employees-i) - Easy
-- [X] [] [] 1633. [Percentage of Users Attended a Contest](https://leetcode.com/problems/percentage-of-users-attended-a-contest) - Easy
-- [X] [] [] 1211. [Queries Quality and Percentage](https://leetcode.com/problems/queries-quality-and-percentage) - Easy
-- [X] [] [] 1193. [Monthly Transactions I](https://leetcode.com/problems/monthly-transactions-i) - Medium
-- [X] [] [] 1174. [Immediate Food Delivery II](https://leetcode.com/problems/immediate-food-delivery-ii) - Medium
-- [X] [] [] 550. [Game Play Analysis IV](https://leetcode.com/problems/game-play-analysis-iv) - Medium
+| Problem # | Title | Difficulty | PyArrow | DataFusion | pandas |
+|----------:|:------|:-----------|:-------:|:----------:|:------:|
+| 620  | [Not Boring Movies](https://leetcode.com/problems/not-boring-movies) | Easy | ✅ | ✅ | ❌ |
+| 1251 | [Average Selling Price](https://leetcode.com/problems/average-selling-price) | Easy | ✅ | ❌ | ❌ |
+| 1075 | [Project Employees I](https://leetcode.com/problems/project-employees-i) | Easy | ✅ | ❌ | ❌ |
+| 1633 | [Percentage of Users Attended a Contest](https://leetcode.com/problems/percentage-of-users-attended-a-contest) | Easy | ✅ | ❌ | ❌ |
+| 1211 | [Queries Quality and Percentage](https://leetcode.com/problems/queries-quality-and-percentage) | Easy | ✅ | ❌ | ❌ |
+| 1193 | [Monthly Transactions I](https://leetcode.com/problems/monthly-transactions-i) | Medium | ✅ | ❌ | ❌ |
+| 1174 | [Immediate Food Delivery II](https://leetcode.com/problems/immediate-food-delivery-ii) | Medium | ✅ | ❌ | ❌ |
+| 550  | [Game Play Analysis IV](https://leetcode.com/problems/game-play-analysis-iv) | Medium | ✅ | ❌ | ❌ |
 
-### Sorting and Grouping
+## Sorting and Grouping
 
-- [X] [] [] 2356. [Number of Unique Subjects Taught by Each Teacher](https://leetcode.com/problems/number-of-unique-subjects-taught-by-each-teacher) - Easy
-- [X] [] [] 1141. [User Activity for the Past 30 Days I](https://leetcode.com/problems/user-activity-for-the-past-30-days-i) - Easy
-- [X] [] [] 1070. [Product Sales Analysis III](https://leetcode.com/problems/product-sales-analysis-iii) - Medium
-- [X] [] [] 596. [Classes More Than 5 Students](https://leetcode.com/problems/classes-more-than-5-students) - Easy
-- [X] [] [] 1729. [Find Followers Count](https://leetcode.com/problems/find-followers-count) - Easy
-- [X] [] [] 619. [Biggest Single Number](https://leetcode.com/problems/biggest-single-number) - Easy
-- [X] [] [] 1045. [Customers Who Bought All Products](https://leetcode.com/problems/customers-who-bought-all-products) - Medium
+| Problem # | Title | Difficulty | PyArrow | DataFusion | pandas |
+|----------:|:------|:-----------|:-------:|:----------:|:------:|
+| 2356 | [Number of Unique Subjects Taught by Each Teacher](https://leetcode.com/problems/number-of-unique-subjects-taught-by-each-teacher) | Easy | ✅ | ❌ | ❌ |
+| 1141 | [User Activity for the Past 30 Days I](https://leetcode.com/problems/user-activity-for-the-past-30-days-i) | Easy | ✅ | ❌ | ❌ |
+| 1070 | [Product Sales Analysis III](https://leetcode.com/problems/product-sales-analysis-iii) | Medium | ✅ | ❌ | ❌ |
+| 596  | [Classes More Than 5 Students](https://leetcode.com/problems/classes-more-than-5-students) | Easy | ✅ | ❌ | ❌ |
+| 1729 | [Find Followers Count](https://leetcode.com/problems/find-followers-count) | Easy | ✅ | ❌ | ❌ |
+| 619  | [Biggest Single Number](https://leetcode.com/problems/biggest-single-number) | Easy | ✅ | ❌ | ❌ |
+| 1045 | [Customers Who Bought All Products](https://leetcode.com/problems/customers-who-bought-all-products) | Medium | ✅ | ❌ | ❌ |
 
-### Advanced Select and Joins
+## Advanced Select and Joins
 
-- [X] [] [] 1731. [The Number of Employees Which Report to Each Employee](https://leetcode.com/problems/the-number-of-employees-which-report-to-each-employee) - Easy
-- [X] [] [] 1789. [Primary Department for Each Employee](https://leetcode.com/problems/primary-department-for-each-employee) - Easy
-- [X] [] [] 610. [Triangle Judgement](https://leetcode.com/problems/triangle-judgement) - Easy
-- [X] [] [] 180. [Consecutive Numbers](https://leetcode.com/problems/consecutive-numbers) - Medium
-- [X] [] [] 1164. [Product Price at a Given Date](https://leetcode.com/problems/product-price-at-a-given-date) - Medium
-- [X] [] [] 1204. [Last Person to Fit in the Bus](https://leetcode.com/problems/last-person-to-fit-in-the-bus) - Medium
-- [X] [] [] 1907. [Count Salary Categories](https://leetcode.com/problems/count-salary-categories) - Medium
+| Problem # | Title | Difficulty | PyArrow | DataFusion | pandas |
+|----------:|:------|:-----------|:-------:|:----------:|:------:|
+| 1731 | [The Number of Employees Which Report to Each Employee](https://leetcode.com/problems/the-number-of-employees-which-report-to-each-employee) | Easy | ✅ | ❌ | ❌ |
+| 1789 | [Primary Department for Each Employee](https://leetcode.com/problems/primary-department-for-each-employee) | Easy | ✅ | ❌ | ❌ |
+| 610  | [Triangle Judgement](https://leetcode.com/problems/triangle-judgement) | Easy | ✅ | ❌ | ❌ |
+| 180  | [Consecutive Numbers](https://leetcode.com/problems/consecutive-numbers) | Medium | ✅ | ❌ | ❌ |
+| 1164 | [Product Price at a Given Date](https://leetcode.com/problems/product-price-at-a-given-date) | Medium | ✅ | ❌ | ❌ |
+| 1204 | [Last Person to Fit in the Bus](https://leetcode.com/problems/last-person-to-fit-in-the-bus) | Medium | ✅ | ❌ | ❌ |
+| 1907 | [Count Salary Categories](https://leetcode.com/problems/count-salary-categories) | Medium | ✅ | ❌ | ❌ |
 
-### Subqueries
+## Subqueries
 
-- [X] [] [] 1978. [Employees Whose Manager Left the Company](https://leetcode.com/problems/employees-whose-manager-left-the-company) - Easy
-- [X] [] [] 626. [Exchange Seats](https://leetcode.com/problems/exchange-seats) - Medium
-- [X] [] [] 1341. [Movie Rating](https://leetcode.com/problems/movie-rating) - Medium
-- [] [X] [X] 1321. [Restaurant Growth](https://leetcode.com/problems/restaurant-growth) - Medium
-- [X] [] [] 602. [Friend Requests II: Who Has the Most Friends](https://leetcode.com/problems/friend-requests-ii-who-has-the-most-friends) - Medium
-- [X] [] [] 585. [Investments in 2016](https://leetcode.com/problems/investments-in-2016) - Medium
-- [X] [] [] 185. [Department Top Three Salaries](https://leetcode.com/problems/department-top-three-salaries) - Hard
+| Problem # | Title | Difficulty | PyArrow | DataFusion | pandas |
+|----------:|:------|:-----------|:-------:|:----------:|:------:|
+| 1978 | [Employees Whose Manager Left the Company](https://leetcode.com/problems/employees-whose-manager-left-the-company) | Easy | ✅ | ❌ | ❌ |
+| 626  | [Exchange Seats](https://leetcode.com/problems/exchange-seats) | Medium | ✅ | ❌ | ❌ |
+| 1341 | [Movie Rating](https://leetcode.com/problems/movie-rating) | Medium | ✅ | ❌ | ❌ |
+| 1321 | [Restaurant Growth](https://leetcode.com/problems/restaurant-growth) | Medium | ❌ | ✅ | ✅ |
+| 602  | [Friend Requests II: Who Has the Most Friends](https://leetcode.com/problems/friend-requests-ii-who-has-the-most-friends) | Medium | ✅ | ❌ | ❌ |
+| 585  | [Investments in 2016](https://leetcode.com/problems/investments-in-2016) | Medium | ✅ | ❌ | ❌ |
+| 185  | [Department Top Three Salaries](https://leetcode.com/problems/department-top-three-salaries) | Hard | ✅ | ❌ | ❌ |
 
-### Advanced String Functions / Regex / Clause
+## Advanced String Functions / Regex / Clause
 
-- [X] [] [] 1667. [Fix Names in a Table](https://leetcode.com/problems/fix-names-in-a-table) - Easy
-- [X] [] [] 1527. [Patients With a Condition](https://leetcode.com/problems/patients-with-a-condition) - Easy
-- [X] [] [] 196. [Delete Duplicate Emails](https://leetcode.com/problems/delete-duplicate-emails) - Easy
-- [X] [X] [X] 176. [Second Highest Salary](https://leetcode.com/problems/second-highest-salary) - Medium
-- [] [X] [] 1484. [Group Sold Products By The Date](https://leetcode.com/problems/group-sold-products-by-the-date) - Easy
-- [X] [] [] 1327. [List the Products Ordered in a Period](https://leetcode.com/problems/list-the-products-ordered-in-a-period) - Easy
-- [X] [] [] 1517. [Find Users With Valid E-Mails](https://leetcode.com/problems/find-users-with-valid-e-mails) - Easy
+| Problem # | Title | Difficulty | PyArrow | DataFusion | pandas |
+|----------:|:------|:-----------|:-------:|:----------:|:------:|
+| 1667 | [Fix Names in a Table](https://leetcode.com/problems/fix-names-in-a-table) | Easy | ✅ | ❌ | ❌ |
+| 1527 | [Patients With a Condition](https://leetcode.com/problems/patients-with-a-condition) | Easy | ✅ | ❌ | ❌ |
+| 196  | [Delete Duplicate Emails](https://leetcode.com/problems/delete-duplicate-emails) | Easy | ✅ | ❌ | ❌ |
+| 176  | [Second Highest Salary](https://leetcode.com/problems/second-highest-salary) | Medium | ✅ | ✅ | ✅ |
+| 1484 | [Group Sold Products By The Date](https://leetcode.com/problems/group-sold-products-by-the-date) | Easy | ❌ | ✅ | ❌ |
+| 1327 | [List the Products Ordered in a Period](https://leetcode.com/problems/list-the-products-ordered-in-a-period) | Easy | ✅ | ❌ | ❌ |
+| 1517 | [Find Users With Valid E-Mails](https://leetcode.com/problems/find-users-with-valid-e-mails) | Easy | ✅ | ❌ | ❌ |