{"id":29834977,"url":"https://github.com/uppnrise/daily-coding-problems","last_synced_at":"2025-07-29T12:15:06.249Z","repository":{"id":305962932,"uuid":"1014782022","full_name":"uppnrise/daily-coding-problems","owner":"uppnrise","description":"Daily coding problems and solutions - Interview preparation and algorithm practice","archived":false,"fork":false,"pushed_at":"2025-07-22T21:25:33.000Z","size":36,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":0,"default_branch":"main","last_synced_at":"2025-07-22T23:26:05.307Z","etag":null,"topics":["algorithms","coding-problems","daily-coding-problem","data-structures","interview-prep","java"],"latest_commit_sha":null,"homepage":"","language":"Java","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/uppnrise.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":"CONTRIBUTING.md","funding":null,"license":"LICENSE","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,"zenodo":null}},"created_at":"2025-07-06T12:06:07.000Z","updated_at":"2025-07-22T21:25:36.000Z","dependencies_parsed_at":"2025-07-22T23:38:48.201Z","dependency_job_id":null,"html_url":"https://github.com/uppnrise/daily-coding-problems","commit_stats":null,"previous_names":["uppnrise/daily-coding-problems"],"tags_count":null,"template":false,"template_full_name":null,"purl":"pkg:github/uppnrise/daily-coding-problems","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/uppnrise%2Fdaily-coding-problems","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/uppnrise%2Fdaily-coding-problems/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/uppnrise%2Fdaily-coding-problems/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/uppnrise%2Fdaily-coding-problems/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/uppnrise","download_url":"https://codeload.github.com/uppnrise/daily-coding-problems/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/uppnrise%2Fdaily-coding-problems/sbom","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":267685378,"owners_count":24127706,"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","status":"online","status_checked_at":"2025-07-29T02:00:12.549Z","response_time":2574,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"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":["algorithms","coding-problems","daily-coding-problem","data-structures","interview-prep","java"],"created_at":"2025-07-29T12:15:03.588Z","updated_at":"2025-07-29T12:15:06.223Z","avatar_url":"https://github.com/uppnrise.png","language":"Java","readme":"# Daily Coding Problems Repository\n\nA collection of daily coding problems and their solutions, primarily focused on problems from [dailycodingproblem.com](https://dailycodingproblem.com) and other competitive programming platforms.\n\n## 🎯 Goal\nSolve one coding problem daily to improve algorithmic thinking and programming skills. Solutions are organized by difficulty level and include detailed explanations.\n\n## 📁 Repository Structure\n\n```\nsrc/main/java/com/dailyproblems/\n├── easy/          # Easy difficulty problems\n├── medium/        # Medium difficulty problems\n└── hard/          # Hard difficulty problems\n```\n\n## 🚀 How to Run\n\n### Prerequisites\n- Java 11 or higher\n- VS Code with Java Extension Pack (recommended)\n\n### Running Solutions\n\n1. **Using VS Code:**\n   - Open the project in VS Code\n   - Navigate to any solution file\n   - Use `Ctrl+F5` (or `Cmd+F5` on Mac) to run without debugging\n   - Or use `F5` to run with debugging\n\n2. **Using Command Line:**\n   ```bash\n   # Compile a specific solution\n   javac src/main/java/com/dailyproblems/easy/ProblemName.java\n   \n   # Run the compiled solution\n   java -cp src/main/java com.dailyproblems.easy.ProblemName\n   ```\n\n3. **Using Java Extension in VS Code:**\n   - Click the \"Run\" button that appears above the main method\n   - Or use the Command Palette (`Ctrl+Shift+P`) and search for \"Java: Run\"\n\n## 📝 Solution Format\n\nEach solution follows this structure:\n\n```java\n/**\n * Problem: [Problem Title]\n * \n * Problem Statement:\n * [Detailed problem description]\n * \n * Example:\n * Input: [example input]\n * Output: [example output]\n * \n * Approach:\n * [Explanation of the solution approach]\n * \n * Time Complexity: O(...)\n * Space Complexity: O(...)\n */\npublic class ProblemName {\n    \n    public static void main(String[] args) {\n        // Test cases and example usage\n    }\n    \n    // Solution methods with detailed comments\n}\n```\n\n## 📊 Progress Tracking\n\n### Problems Solved by Difficulty\n- **Easy:** 2 problems (TwoSum, TwoNumbersSumToK)\n- **Medium:** 3 problems (BinaryTreeMaxDepth, BinaryTreeSerialization, FunctionalPairs)\n- **Hard:** 3 problems (RegularExpressionMatching, ProductOfArrayExceptSelf, SingleNumberII)\n\n**Total:** 8 problems solved\n\n### Recent Problems\n- **July 22, 2025**: Functional Pairs Implementation - Jane Street Interview (Medium)\n- **July 8, 2025**: Binary Tree Serialization and Deserialization - Google Interview (Medium)\n- **July 7, 2025**: Single Number II - Google Interview (Hard)\n- **July 6, 2025**: Product of Array Except Self - Uber Interview (Hard)\n- **June 30, 2025**: Two Numbers Sum to K - Google Interview (Easy)\n\n## 🔄 Daily Commitment\n\n- **Goal:** Solve at least 1 problem per day\n- **Primary Source:** [dailycodingproblem.com](https://dailycodingproblem.com)\n- **Additional Sources:** LeetCode, HackerRank, Codewars (planned)\n\n## 🌟 Languages\n\n- **Primary:** Java ☕\n- **Planned:** Python 🐍, JavaScript, C++\n\n## 📄 License\n\nThis project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.\n\n## 🤝 Contributing\n\nThis is primarily a personal learning repository, but feel free to:\n- Report bugs or suggest improvements\n- Share alternative solutions\n- Discuss different approaches in issues\n\n---\n\n*Happy Coding! 🚀*\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fuppnrise%2Fdaily-coding-problems","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fuppnrise%2Fdaily-coding-problems","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fuppnrise%2Fdaily-coding-problems/lists"}