{"id":25975984,"url":"https://github.com/mrakashkumar/leetcode-challanges","last_synced_at":"2026-06-04T12:31:34.140Z","repository":{"id":279473287,"uuid":"938930847","full_name":"MrAkashKumar/leetcode-challanges","owner":"MrAkashKumar","description":"Leetcode challenges problem-solution","archived":false,"fork":false,"pushed_at":"2025-02-25T18:46:23.000Z","size":4,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-02-25T19:26:49.219Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":"Java","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/MrAkashKumar.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2025-02-25T18:12:19.000Z","updated_at":"2025-02-25T18:46:27.000Z","dependencies_parsed_at":"2025-02-25T19:26:55.830Z","dependency_job_id":"0f0d1ff3-37b4-4abc-bd16-2590b3392172","html_url":"https://github.com/MrAkashKumar/leetcode-challanges","commit_stats":null,"previous_names":["mrakashkumar/leetcode-challanges"],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MrAkashKumar%2Fleetcode-challanges","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MrAkashKumar%2Fleetcode-challanges/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MrAkashKumar%2Fleetcode-challanges/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MrAkashKumar%2Fleetcode-challanges/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/MrAkashKumar","download_url":"https://codeload.github.com/MrAkashKumar/leetcode-challanges/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":241960812,"owners_count":20049341,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2025-03-05T03:32:49.509Z","updated_at":"2026-06-04T12:31:34.124Z","avatar_url":"https://github.com/MrAkashKumar.png","language":"Java","funding_links":[],"categories":[],"sub_categories":[],"readme":"# LeetCode Challenges \u0026 Conceptual Interview Prep 🚀\r\n\r\nWelcome to the **LeetCode Challenges** repository. This project centralizes structured, optimized Java solutions to algorithmic problems alongside dedicated mock questions targeted at mastering fundamental core computing concepts.\r\n\r\n---\r\n\r\n## 🗺️ Table of Contents\r\n* [Key Features](#-key-features)\r\n* [Repository Structure](#-repository-structure)\r\n* [Topics Covered](#-topics-covered)\r\n* [Getting Started](#-getting-started)\r\n* [License](#-license)\r\n\r\n---\r\n\r\n## ✨ Key Features\r\n* **Production-Grade Java**: Solutions written focusing on optimal runtime (`Time Complexity`) and memory usage (`Space Complexity`).\r\n* **Concept Clearance Tools**: Deep-dives into fundamental data structures through custom implementations and mock test problems.\r\n* **Modern Java Practices**: Code utilizes practical modern APIs up through Java 11 and Java 17.\r\n\r\n---\r\n\r\n## 📂 Repository Structure\r\n\r\nThe workspace follows a clean, standardized Java application layout:\r\n\r\n* **[`src/`](./src)**: The main source folder maintaining all algorithm solutions, package definitions, and conceptual mock problems.\r\n* **`.vscode/`**: Custom workspace configuration settings optimized for immediate execution in Visual Studio Code.\r\n\r\n---\r\n\r\n## 🧠 Topics Covered\r\n\r\nThis repository actively archives problems and solutions across these critical engineering domains:\r\n\r\n### 🧩 Data Structures\r\n* **HashMaps**: Collision handling, lookup optimization, and frequency counting.\r\n* **Stacks \u0026 Queues**: Linear data pipelines, lifo/fifo ordering patterns, and buffer handling.\r\n* **Arrays \u0026 Matrices**: In-place mutations, sliding window algorithms, and two-pointer passes.\r\n\r\n### ⚙️ Design Patterns \u0026 Best Practices\r\n* **SOLID Principles**: Object-oriented design blueprints for building modular, maintainable software.\r\n* **Singleton Pattern**: Creational design workflows for thread-safe global access resource configurations.\r\n\r\n### 🗄️ Database \u0026 Queries\r\n* **SQL Queries**: Relational database operations, intricate joins, grouping, and analytical window functions.\r\n\r\n---\r\n\r\n## 💻 Getting Started\r\n\r\n### Prerequisites\r\n* Ensure you have the **Java Development Kit (JDK 11 or 17)** installed.\r\n* **Visual Studio Code** with the *Extension Pack for Java* is highly recommended.\r\n\r\n### Local Setup\r\n1. Clone the repository:\r\n   ```bash\r\n   git clone https://github.com/MrAkashKumar/leetcode-challanges.git\r\n   cd leetcode-challanges\r\n   ```\r\n\r\n2. Open the directory in VS Code. The IDE will auto-detect the compiled binaries workspace output path under the `bin/` folder.\r\n\r\n---\r\n\r\n## 📄 License\r\n\r\nThis repository is licensed under the [GPL-3.0 License](./LICENSE.txt). Feel free to fork, solve, and extend this repository for your personal interview preparation journey!\r\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmrakashkumar%2Fleetcode-challanges","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fmrakashkumar%2Fleetcode-challanges","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmrakashkumar%2Fleetcode-challanges/lists"}