This repository contains my accepted LeetCode solutions solved using Java and SQL. It serves as my interview preparation journal while strengthening problem-solving, data structures & algorithms, and SQL concepts.
- ☕ Java
- 🗄️ SQL
- Arrays
- Strings
- HashMap
- HashSet
- Stack
- Queue
- Linked List
- Binary 搜索
- Recursion
- Sorting
- Two Pointers
- Sliding Window
- Trees
- Dynamic Programming
- SELECT
- JOIN
- GROUP BY
- HAVING
- ORDER BY
- Aggregate Functions
- Subqueries
- Common Table Expressions (CTE)
- Window Functions
- Ranking Functions
- Solve 150+ LeetCode problems
- Improve Data Structures & Algorithms
- Master SQL interview questions
- Maintain a consistent solving streak
- Prepare for Software Engineering interviews
Problem Folder
├── README.md
└── Solution.java / solution.sql
Solutions are automatically synchronized to GitHub using LeetSync.
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