go-interview-practice

# Go Interview Practice Welcome to the **Go Interview Practice** repository! Master Go programming and ace your technical interviews with our interactive coding challenges. Our interactive platform is live at **[app.gointerview.dev](https://app.gointerview.dev/)** Explore challenges, track your progress, and elevate your Go skills with AI-powered mentorship. --- ## Visual Overview ### Interactive Challenge Platform Our comprehensive web interface provides everything you need to practice and master Go programming: --- ### Code & Test Experience --- ### Competitive Leaderboard --- ## Top 10 Leaderboard Our most accomplished Go developers, ranked by number of challenges completed: > **Note**: The data below is automatically updated by GitHub Actions when challenge scoreboards change. | | Developer | Solved | Rate | Achievement | Progress | |:---:|:---:|:---:|:---:|:---:|:---| | |
**[PolinaSvet](https://github.com/PolinaSvet)** | **30**/30 | **100.0%** | Master | ✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅
✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅ | | |
**[PopovMarko](https://github.com/PopovMarko)** | **30**/30 | **100.0%** | Master | ✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅
✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅ | | |
**[mvsouza](https://github.com/mvsouza)** | **30**/30 | **100.0%** | Master | ✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅
✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅ | | 4 |
**[nzamulov](https://github.com/nzamulov)** | **30**/30 | **100.0%** | Master | ✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅
✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅ | | 5 |
**[odelbos](https://github.com/odelbos)** | **29**/30 | **96.7%** | Master | ✅⬜✅✅✅✅✅✅✅✅✅✅✅✅✅
✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅ | | 6 |
**[imankhodadi](https://github.com/imankhodadi)** | **28**/30 | **93.3%** | Master | ✅✅✅✅✅✅✅✅✅✅✅⬜✅⬜✅
✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅ | | 7 |
**[atplay90](https://github.com/atplay90)** | **25**/30 | **83.3%** | Master | ✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅
✅✅✅✅✅✅✅✅⬜⬜⬜✅⬜⬜✅ | | 8 |
**[evassilyev](https://github.com/evassilyev)** | **22**/30 | **73.3%** | Master | ✅✅✅✅✅✅✅⬜⬜✅⬜⬜✅✅⬜
✅✅✅✅✅✅✅✅✅✅⬜✅⬜⬜✅ | | 9 |
**[mick4711](https://github.com/mick4711)** | **22**/30 | **73.3%** | Master | ✅✅✅✅✅✅✅✅✅✅⬜⬜✅✅⬜
✅✅✅✅⬜✅✅✅⬜⬜✅✅⬜⬜✅ | | 10 |
**[Gandook](https://github.com/Gandook)** | **21**/30 | **70.0%** | Master | ✅⬜✅✅✅✅✅✅✅✅⬜⬜✅⬜⬜
⬜✅✅✅⬜✅✅✅✅✅✅✅⬜⬜✅ | *Updated automatically based on 30 available challenges* ### Challenge Progress Overview - **Total Challenges Available**: 30 - **Active Developers**: 390 - **Most Challenges Solved**: 30 by PolinaSvet ## Package Challenges Leaderboard Master Go packages through hands-on challenges! Each package offers a structured learning path with real-world scenarios. > **Note**: The data below is automatically updated by GitHub Actions when package challenge scoreboards change. | | Developer | Total Solved | Packages | Achievement | Challenge Distribution | |:---:|:---:|:---:|:---:|:---:|:---| | |
**[odelbos](https://github.com/odelbos)** | **17** | **4** pkgs | Package Master | **cobra**: 4 • **fiber**: 4 • **gin**: 4 • **gorm**: 5 | | |
**[PolinaSvet](https://github.com/PolinaSvet)** | **8** | **2** pkgs | Package Advanced | **cobra**: 4 • **gin**: 4 | | |
**[PopovMarko](https://github.com/PopovMarko)** | **8** | **3** pkgs | Package Advanced | **cobra**: 3 • **gin**: 4 • **gorm**: 1 | | 4 |
**[RezaSi](https://github.com/RezaSi)** | **7** | **6** pkgs | Package Advanced | **cobra**: 1 • **echo**: 1 • **fiber**: 1 • **gin**: 1 • **gorm**: 1 • **mongodb**: 2 | | 5 |
**[imankhodadi](https://github.com/imankhodadi)** | **7** | **2** pkgs | Package Advanced | **gin**: 4 • **gorm**: 3 | | 6 |
**[22-7-co](https://github.com/22-7-co)** | **5** | **2** pkgs | Package Advanced | **gin**: 4 • **gorm**: 1 | | 7 |
**[Mxn-ptr](https://github.com/Mxn-ptr)** | **5** | **2** pkgs | Package Advanced | **gin**: 4 • **gorm**: 1 | | 8 |
**[Onkar-25](https://github.com/Onkar-25)** | **5** | **3** pkgs | Package Advanced | **gin**: 2 • **gorm**: 2 • **mongodb**: 1 | | 9 |
**[Sylinsic](https://github.com/Sylinsic)** | **5** | **2** pkgs | Package Advanced | **gin**: 2 • **gorm**: 3 | | 10 |
**[ItalloMangueBoy](https://github.com/ItalloMangueBoy)** | **4** | **1** pkg | Package Intermediate | **gin**: 4 | ### Per-Package Progress #### Cobra Package | Rank | Developer | Completed | Progress | |:---:|:---:|:---:|:---| | | **[PolinaSvet](https://github.com/PolinaSvet)** | 4/4 | 100% | | | **[odelbos](https://github.com/odelbos)** | 4/4 | 100% | | | **[PopovMarko](https://github.com/PopovMarko)** | 3/4 | ⬜⬜⬜ 75% | | 4 | **[ashwinipatankar](https://github.com/ashwinipatankar)** | 3/4 | ⬜⬜⬜ 75% | | 5 | **[RezaSi](https://github.com/RezaSi)** | 1/4 | ⬜⬜⬜⬜⬜⬜⬜⬜ 25% | #### Echo Package | Rank | Developer | Completed | Progress | |:---:|:---:|:---:|:---| | | **[RezaSi](https://github.com/RezaSi)** | 1/4 | ⬜⬜⬜⬜⬜⬜⬜⬜ 25% | #### Fiber Package | Rank | Developer | Completed | Progress | |:---:|:---:|:---:|:---| | | **[odelbos](https://github.com/odelbos)** | 4/4 | 100% | | | **[0xSangeet](https://github.com/0xSangeet)** | 1/4 | ⬜⬜⬜⬜⬜⬜⬜⬜ 25% | | | **[RezaSi](https://github.com/RezaSi)** | 1/4 | ⬜⬜⬜⬜⬜⬜⬜⬜ 25% | #### Gin Package | Rank | Developer | Completed | Progress | |:---:|:---:|:---:|:---| | | **[22-7-co](https://github.com/22-7-co)** | 4/4 | 100% | | | **[ItalloMangueBoy](https://github.com/ItalloMangueBoy)** | 4/4 | 100% | | | **[Mxn-ptr](https://github.com/Mxn-ptr)** | 4/4 | 100% | | 4 | **[PolinaSvet](https://github.com/PolinaSvet)** | 4/4 | 100% | | 5 | **[PopovMarko](https://github.com/PopovMarko)** | 4/4 | 100% | #### Gorm Package | Rank | Developer | Completed | Progress | |:---:|:---:|:---:|:---| | | **[odelbos](https://github.com/odelbos)** | 5/5 | 100% | | | **[Sylinsic](https://github.com/Sylinsic)** | 3/5 | ⬜⬜⬜⬜ 60% | | | **[aswinsreeraj](https://github.com/aswinsreeraj)** | 3/5 | ⬜⬜⬜⬜ 60% | | 4 | **[imankhodadi](https://github.com/imankhodadi)** | 3/5 | ⬜⬜⬜⬜ 60% | | 5 | **[Onkar-25](https://github.com/Onkar-25)** | 2/5 | ⬜⬜⬜⬜⬜⬜ 40% | #### Mongodb Package | Rank | Developer | Completed | Progress | |:---:|:---:|:---:|:---| | | **[RezaSi](https://github.com/RezaSi)** | 2/5 | ⬜⬜⬜⬜⬜⬜ 40% | | | **[Onkar-25](https://github.com/Onkar-25)** | 1/5 | ⬜⬜⬜⬜⬜⬜⬜⬜ 20% | | | **[maket12](https://github.com/maket12)** | 1/5 | ⬜⬜⬜⬜⬜⬜⬜⬜ 20% | ### Package Challenge Statistics - **Total Package Challenges Available**: 26 - **Active Package Learners**: 56 - **Available Packages**: 6 (cobra, echo, fiber, gin, gorm, mongodb) - **Most Package Challenges Solved**: 17 by odelbos ## Key Features - **Interactive Web UI** - Code, test, and submit solutions in your browser - **Automated Testing** - Get immediate feedback on your solutions - **Automated Scoreboards** - Solutions are automatically scored and ranked - **Profile Badges** - Beautiful auto-updating badges for GitHub profiles, LinkedIn, and portfolios - **Performance Analytics** - Track execution time and memory usage for your solutions - **Comprehensive Learning** - Each challenge includes detailed explanations and resources - **Progressive Difficulty** - From beginner to advanced Go concepts - **AI Interview Simulation** - Practice with AI-powered code review and interviewer questions ## AI Interview Simulation Transform your coding practice into realistic interview scenarios with our AI-powered features: **Real-Time Code Review** - Get instant feedback on code quality, complexity analysis, and improvement suggestions **Dynamic Interview Questions** - AI generates follow-up questions based on your solution approach **Progressive Hints** - 4-level hint system from subtle nudges to detailed explanations **Multi-LLM Support** - Works with Gemini (recommended), OpenAI, or Claude Simply add your API key to experience interview-style feedback that adapts to your code and challenges you with realistic technical questions. ### AI Interview Experience --- ## Quick Start > **Important**: You must fork this repository first before cloning, otherwise you won't be able to push your solutions or create pull requests! ### Option 1: Web UI (Recommended) ``` … ``` **After solving challenges and submitting solutions:** - Your solutions will be automatically saved to your local repository - Follow the provided Git commands to commit and push your changes - Create a pull request to contribute your solutions back to the main project ### Option 2: GitHub Codespaces (Cloud Development + Web UI) Want to get started instantly without setting up anything locally? Use GitHub Codespaces! 1. **Fork this repository** (if you haven't already) 2. **Open in Codespaces**: Click the green "Code" button on your forked repository, then select "Codespaces" tab 3. **Create Codespace**: Click "Create codespace on main" 4. **Start the Web UI**: Once the codespace loads, open a terminal and run: ```bash cd web-ui go run main.go ``` 5. **Optional: Enable AI Features**: Add your Gemini API key: ```bash echo "AI_PROVIDER=gemini" > .env echo "GEMINI_API_KEY=your_actual_api_key_here" >> .env ``` 6. **Access the Web UI**: Click on the "Ports" tab in the bottom panel, then click the "Open in Browser" button next to port 8080 **Benefits of using Codespaces:** - No local setup required - Pre-configured Go environment - Full VS Code experience in the browser - Automatic port forwarding for the web UI - All dependencies pre-installed - Works on any device with a browser ### Option 3: Command Line ```bash # 1. Fork the repository first (see step 1 above) # 2. Clone your fork and set up a challenge workspace git clone https://github.com/yourusername/go-interview-practice.git cd go-interview-practice ./create_submission.sh 1 # For challenge #1 # 3. Implement your solution in the editor of your choice # 4. Run tests cd challenge-1 ./run_tests.sh ``` ## Profile Badges for Contributors Showcase your Go programming achievements with auto-updating profile badges for GitHub profiles, portfolios, and personal websites. ### Examples ### Quick Usage ```markdown ``` After contributing solutions, your badges are automatically generated in [`badges/YOUR_USERNAME_badges.md`](badges/) with multiple formats ready to use. **[Complete Badge Guide & Examples →](docs/profile-badges-guide.md)** ## Challenge Categories ### Beginner Perfect for those new to Go or brushing up on fundamentals - **[Challenge 1](./challenge-1)**: Sum of Two Numbers - **[Challenge 2](./challenge-2)**: Reverse a String - **[Challenge 3](./challenge-3)**: Employee Data Management - **[Challenge 6](./challenge-6)**: Word Frequency Counter - **[Challenge 18](./challenge-18)**: Temperature Converter - **[Challenge 21](./challenge-21)**: Binary Search Implementation - **[Challenge 22](./challenge-22)**: Greedy Coin Change ### Intermediate For developers familiar with Go who want to deepen their knowledge - **[Challenge 4](./challenge-4)**: Concurrent Graph BFS Queries - **[Challenge 5](./challenge-5)**: HTTP Authentication Middleware - **[Challenge 7](./challenge-7)**: Bank Account with Error Handling - **[Challenge 10](./challenge-10)**: Polymorphic Shape Calculator - **[Challenge 13](./challenge-13)**: SQL Database Operations - **[Challenge 14](./challenge-14)**: Microservices with gRPC - **[Challenge 16](./challenge-16)**: Performance Optimization - **[Challenge 17](./challenge-17)**: Interactive Debugging Tutorial - **[Challenge 19](./challenge-19)**: Slice Operations - **[Challenge 20](./challenge-20)**: Circuit Breaker Pattern - **[Challenge 23](./challenge-23)**: String Pattern Matching - **[Challenge 27](./challenge-27)**: Go Generics Data Structures - **[Challenge 30](./challenge-30)**: Co