GitHub - aj-02/Leetcode_Questions: Daily LeetCode Solutions: C++ and SQL. Repository showcasing concise solutions to LeetCode problems in C++ and SQL. Updated regularly for continuous learning and skill enhancement.

Daily LeetCode Solutions: C++ and SQL

Welcome to my Daily LeetCode Solutions repository! 🚀

In this repository, I share my solutions to coding questions from LeetCode, accompanied by detailed descriptions of the problems and the corresponding code in C++ and SQL. Each day, I tackle a new set of problems to enhance my problem-solving skills and deepen my understanding of these programming languages.

What can you expect to find here?

Problem Descriptions: For every LeetCode question I attempt, I provide a comprehensive description of the problem statement, including any constraints, examples, and additional context necessary to understand the problem fully. C++ Solutions: Explore my C++ solutions to each LeetCode problem, neatly organized and thoroughly commented to explain the thought process behind the solution. From basic algorithms to complex data structures, I cover a wide range of topics to strengthen my proficiency in C++. SQL Solutions: Dive into my SQL solutions for LeetCode problems that involve database queries and manipulations. Whether it's querying data, performing joins, or optimizing SQL queries, I demonstrate various techniques to solve SQL-related challenges. Daily Updates: Expect regular updates as I continue to tackle new coding questions on LeetCode. Follow along to see my progress, learn from my solutions, and gain insights into different problem-solving strategies. Feel free to explore the repository, leave comments, or suggest alternative solutions if you come across any interesting optimizations or improvements. My aim with this repository is to not only document my journey of solving LeetCode problems but also to create a valuable resource for fellow learners seeking to improve their coding skills in C++ and SQL.

Let's embark on this journey of continuous learning and problem-solving together! Happy coding! 💻✨

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Name		Name	Last commit message	Last commit date
Latest commit History 62 Commits
1. Two Sum.cpp		1. Two Sum.cpp
1002. Find Common Characters.cpp		1002. Find Common Characters.cpp
1045. Customers Who Bought All Products.sql		1045. Customers Who Bought All Products.sql
1068. Product Sales Analysis I.sql		1068. Product Sales Analysis I.sql
1070. Product Sales Analysis III.sql		1070. Product Sales Analysis III.sql
1075. Project Employees I.sql		1075. Project Employees I.sql
11. Container With Most Water.cpp		11. Container With Most Water.cpp
1137. N-th Tribonacci Number.cpp		1137. N-th Tribonacci Number.cpp
1141. User Activity for the Past 30 Days I.sql		1141. User Activity for the Past 30 Days I.sql
1148. Article Views I.sql		1148. Article Views I.sql
1164. Product Price at a Given Date.sql		1164. Product Price at a Given Date.sql
1174. Immediate Food Delivery II.sql		1174. Immediate Food Delivery II.sql
1193. Monthly Transactions I.sql		1193. Monthly Transactions I.sql
1204. Last Person to Fit in the Bus.sql		1204. Last Person to Fit in the Bus.sql
1208. Get Equal Substrings Within Budget.cpp		1208. Get Equal Substrings Within Budget.cpp
121. Best Time to Buy and Sell Stock.cpp		121. Best Time to Buy and Sell Stock.cpp
1211. Queries Quality and Percentage.sql		1211. Queries Quality and Percentage.sql
1219. Path with Maximum Gold.cpp		1219. Path with Maximum Gold.cpp
122. Best Time to Buy and Sell Stock II.cpp		122. Best Time to Buy and Sell Stock II.cpp
123. Best Time to Buy and Sell Stock III.cpp		123. Best Time to Buy and Sell Stock III.cpp
1249. Minimum Remove to Make Valid Parentheses.sql		1249. Minimum Remove to Make Valid Parentheses.sql
125. Valid Palindrome.cpp		125. Valid Palindrome.cpp
1251. Average Selling Price.sql		1251. Average Selling Price.sql
1255. Maximum Score Words Formed by Letters.cpp		1255. Maximum Score Words Formed by Letters.cpp
1280. Students and Examinations.sql		1280. Students and Examinations.sql
1289. Minimum Falling Path Sum II.cpp		1289. Minimum Falling Path Sum II.cpp
129. Sum Root to Leaf Numbers.cpp		129. Sum Root to Leaf Numbers.cpp
13. Roman to Integer.cpp		13. Roman to Integer.cpp
131. Palindrome Partitioning.cpp		131. Palindrome Partitioning.cpp
1325. Delete Leaves With a Given Value.cpp		1325. Delete Leaves With a Given Value.cpp
1327. List the Products Ordered in a Period.sql		1327. List the Products Ordered in a Period.sql
1378. Replace Employee ID With The Unique Identifier.sql		1378. Replace Employee ID With The Unique Identifier.sql
14. Longest Common Prefix.cpp		14. Longest Common Prefix.cpp
140. Word Break II.cpp		140. Word Break II.cpp
1404. Number of Steps to Reduce a Number in Binary Representation to One.cpp		1404. Number of Steps to Reduce a Number in Binary Representation to One.cpp
141. Linked List Cycle.cpp		141. Linked List Cycle.cpp
1442. Count Triplets That Can Form Two Arrays of Equal XOR.cpp		1442. Count Triplets That Can Form Two Arrays of Equal XOR.cpp
1484. Group Sold Products By The Date.sql		1484. Group Sold Products By The Date.sql
15. 3Sum.cpp		15. 3Sum.cpp
1509. Minimum Difference Between Largest and Smallest Value in Three Moves.cpp		1509. Minimum Difference Between Largest and Smallest Value in Three Moves.cpp
1517. Find Users With Valid E-Mails.sql		1517. Find Users With Valid E-Mails.sql
1527. Patients With a Condition.sql		1527. Patients With a Condition.sql
1581. Customer Who Visited but Did Not Make Any Transactions.sql		1581. Customer Who Visited but Did Not Make Any Transactions.sql
1608. Special Array With X Elements Greater Than or Equal X.cpp		1608. Special Array With X Elements Greater Than or Equal X.cpp
1633. Percentage of Users Attended a Contest.sql		1633. Percentage of Users Attended a Contest.sql
165. Compare Version Numbers.cpp		165. Compare Version Numbers.cpp
1661. Average Time of Process per Machine.sql		1661. Average Time of Process per Machine.sql
1667. Fix Names in a Table.sql		1667. Fix Names in a Table.sql
167. Two Sum II - Input Array Is Sorted.cpp		167. Two Sum II - Input Array Is Sorted.cpp
1683. Invalid Tweets.sql		1683. Invalid Tweets.sql
169. Majority Element.cpp		169. Majority Element.cpp
1700. Number of Students Unable to Eat Lunch.cpp		1700. Number of Students Unable to Eat Lunch.cpp
172. Factorial Trailing Zeroes.cpp'		172. Factorial Trailing Zeroes.cpp'
1729. Find Followers Count.sql		1729. Find Followers Count.sql
1731. The Number of Employees Which Report to Each Employee.sql		1731. The Number of Employees Which Report to Each Employee.sql
1757. Recyclable and Low Fat Products.SQL		1757. Recyclable and Low Fat Products.SQL
176. Second Highest Salary.sql		176. Second Highest Salary.sql
1789. Primary Department for Each Employee.sql		1789. Primary Department for Each Employee.sql
180. Consecutive Numbers.sql		180. Consecutive Numbers.sql
1863. Sum of All Subset XOR Totals.cpp		1863. Sum of All Subset XOR Totals.cpp
188. Best Time to Buy and Sell Stock IV.cpp		188. Best Time to Buy and Sell Stock IV.cpp
189. Rotate Array.cpp		189. Rotate Array.cpp
1907. Count Salary Categories.sql		1907. Count Salary Categories.sql
1915. Number of Wonderful Substrings.cpp		1915. Number of Wonderful Substrings.cpp
1934. Confirmation Rate.sql		1934. Confirmation Rate.sql
196. Delete Duplicate Emails.sql		196. Delete Duplicate Emails.sql
197. Rising Temperature.sql		197. Rising Temperature.sql
1971. Find if Path Exists in Graph.cpp		1971. Find if Path Exists in Graph.cpp
1978. Employees Whose Manager Left the Company.sql		1978. Employees Whose Manager Left the Company.sql
1992. Find All Groups of Farmland.cpp		1992. Find All Groups of Farmland.cpp
2. Add Two Numbers.cpp		2. Add Two Numbers.cpp
20. Valid Parentheses.cpp		20. Valid Parentheses.cpp
200. Number of Islands.cpp		200. Number of Islands.cpp
2000. Reverse Prefix of Word.cpp		2000. Reverse Prefix of Word.cpp
202. Happy Number.cpp		202. Happy Number.cpp
205. Isomorphic Strings.cpp		205. Isomorphic Strings.cpp
2073. Time Needed to Buy Tickets.cpp		2073. Time Needed to Buy Tickets.cpp
21. Merge Two Sorted Lists.cpp		21. Merge Two Sorted Lists.cpp
219. Contains Duplicate II.cpp		219. Contains Duplicate II.cpp
2331. Evaluate Boolean Binary Tree.cpp		2331. Evaluate Boolean Binary Tree.cpp
2356. Number of Unique Subjects Taught by Each Teacher.sql		2356. Number of Unique Subjects Taught by Each Teacher.sql
237. Delete Node in a Linked List.cpp		237. Delete Node in a Linked List.cpp
2370. Longest Ideal Subsequence.cpp		2370. Longest Ideal Subsequence.cpp
242. Valid Anagram.cpp		242. Valid Anagram.cpp
2441. Largest Positive Integer That Exists With Its Negative.cpp		2441. Largest Positive Integer That Exists With Its Negative.cpp
2487. Remove Nodes From Linked List.cpp		2487. Remove Nodes From Linked List.cpp
2597. The Number of Beautiful Subsets.cpp		2597. The Number of Beautiful Subsets.cpp
26. Remove Duplicates from Sorted Array.cpp		26. Remove Duplicates from Sorted Array.cpp
260. Single Number III.cpp		260. Single Number III.cpp
27. Remove Element.cpp		27. Remove Element.cpp
274. H-Index.cpp		274. H-Index.cpp
28. Find the Index of the First Occurrence in a String.cpp		28. Find the Index of the First Occurrence in a String.cpp
2816. Double a Number Represented as a Linked List.cpp		2816. Double a Number Represented as a Linked List.cpp
290. Word Pattern.cpp		290. Word Pattern.cpp
2997. Minimum Number of Operations to Make Array XOR Equal to K.cpp		2997. Minimum Number of Operations to Make Array XOR Equal to K.cpp
3068. Find the Maximum Sum of Node Values.cpp		3068. Find the Maximum Sum of Node Values.cpp
3075. Maximize Happiness of Selected Children.cpp		3075. Maximize Happiness of Selected Children.cpp
310. Minimum Height Trees.cpp		310. Minimum Height Trees.cpp
3110. Score of a String.cpp		3110. Score of a String.cpp
344. Reverse String.cpp		344. Reverse String.cpp

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