RezaSi/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.

Visual Overview

Interactive Challenge Platform

Our comprehensive web interface provides everything you need to practice and master Go programming:

A brief introduction to the project

Code & Test Experience

Go Interview Practice Web UI - challenge

Interactive Code Editor
Write, edit, and test your Go solutions
with syntax highlighting and real-time feedback

Instant Results & Analytics
Get immediate test results, performance metrics,
and detailed execution analysis

Competitive Leaderboard

Go Interview Practice - Main Leaderboard

Beautiful leaderboard showcasing top developers with challenge completion indicators, rankings, and achievements

🏆 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
🥇	odelbos	24/30	80.0%	Master	✅✅✅✅✅✅✅✅✅✅⬜⬜✅✅⬜ ✅✅✅✅✅✅✅✅⬜⬜✅✅✅⬜✅
🥈	mick4711	16/30	53.3%	Expert	✅✅✅⬜✅✅✅⬜⬜✅⬜⬜⬜⬜⬜ ✅✅✅✅⬜✅✅✅⬜⬜⬜✅⬜⬜✅
🥉	RezaSi	14/30	46.7%	Advanced	✅✅✅✅✅✅⬜⬜⬜✅⬜⬜✅⬜⬜ ⬜✅✅✅⬜✅✅✅⬜⬜⬜⬜⬜⬜⬜
4	KhaledMosaad	13/30	43.3%	Advanced	✅✅✅⬜⬜✅⬜⬜⬜⬜⬜⬜⬜⬜⬜ ⬜✅✅✅⬜✅✅✅⬜⬜✅✅⬜⬜✅
5	MYK12397	11/30	36.7%	Advanced	⬜✅✅⬜✅✅✅⬜⬜⬜⬜⬜⬜⬜⬜ ⬜✅✅✅⬜✅⬜⬜✅⬜⬜⬜⬜⬜✅
6	ashwinipatankar	9/30	30.0%	Intermediate	✅✅✅⬜⬜✅⬜⬜⬜⬜⬜⬜⬜⬜⬜ ⬜✅✅✅⬜✅✅⬜⬜⬜⬜⬜⬜⬜⬜
7	lanmanul	5/30	16.7%	Intermediate	✅✅⬜⬜⬜✅⬜⬜⬜⬜⬜⬜⬜⬜⬜ ⬜⬜✅⬜⬜✅⬜⬜⬜⬜⬜⬜⬜⬜⬜
8	timlkko	5/30	16.7%	Intermediate	✅✅✅⬜⬜✅⬜⬜⬜⬜⬜⬜⬜⬜⬜ ⬜⬜✅⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜
9	AliNazariii	4/30	13.3%	Beginner	✅✅✅✅⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ ⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜
10	lajosbnk	4/30	13.3%	Beginner	✅✅✅⬜⬜✅⬜⬜⬜⬜⬜⬜⬜⬜⬜ ⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜

✅ Completed • ⬜ Not Completed

All 30 challenges shown in two rows

Updated automatically based on 30 available challenges

Challenge Progress Overview

Total Challenges Available: 30
Active Developers: 28
Most Challenges Solved: 24 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
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

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)

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13


# 1. First, fork this repository on GitHub
#    Go to https://github.com/RezaSi/go-interview-practice
#    Click the "Fork" button in the top-right corner

# 2. Clone your forked repository (replace 'yourusername' with your GitHub username)
git clone https://github.com/yourusername/go-interview-practice.git
cd go-interview-practice

# 3. Start the web interface
cd web-ui
go run main.go

# 4. Open http://localhost:8080 in your browser

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!

Fork this repository (if you haven’t already)
Open in Codespaces: Click the green “Code” button on your forked repository, then select “Codespaces” tab
Create Codespace: Click “Create codespace on main”
Start the Web UI: Once the codespace loads, open a terminal and run:
1 2

cd web-ui go run main.go
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

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11


# 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

Scoreboards

Each challenge has its own scoreboard that tracks:

Successful submissions by user
Execution time rankings
Code efficiency metrics
Completion dates

View global and per-challenge scoreboards in the Web UI to compare your solutions with others.

Challenge Categories

Beginner

Perfect for those new to Go or brushing up on fundamentals

Challenge 1: Sum of Two Numbers
Challenge 2: Reverse a String
Challenge 3: Employee Data Management
Challenge 6: Word Frequency Counter
Challenge 18: Temperature Converter
Challenge 21: Binary Search Implementation
Challenge 22: Greedy Coin Change

Intermediate

For developers familiar with Go who want to deepen their knowledge

Challenge 4: Concurrent Graph BFS Queries
Challenge 5: HTTP Authentication Middleware
Challenge 7: Bank Account with Error Handling
Challenge 10: Polymorphic Shape Calculator
Challenge 13: SQL Database Operations
Challenge 14: Microservices with gRPC
Challenge 16: Performance Optimization
Challenge 17: Interactive Debugging Tutorial
Challenge 19: Slice Operations
Challenge 20: Circuit Breaker Pattern
Challenge 23: String Pattern Matching
Challenge 27: Go Generics Data Structures
Challenge 30: Context Management Implementation

Advanced

Challenging problems that test mastery of Go and computer science concepts

Challenge 8: Chat Server with Channels
Challenge 9: RESTful Book Management API
Challenge 11: Concurrent Web Content Aggregator
Challenge 12: File Processing Pipeline
Challenge 15: OAuth2 Authentication
Challenge 24: Dynamic Programming - Longest Increasing Subsequence
Challenge 25: Graph Algorithms - Shortest Path
Challenge 26: Regular Expression Text Processor
Challenge 28: Cache Implementation with Multiple Eviction Policies
Challenge 29: Rate Limiter Implementation

How to Use This Repository

1. Explore Challenges

Browse challenges through the web UI or in the code repository. Each challenge includes:

Detailed problem statement
Function signature to implement
Comprehensive test cases
Learning resources

2. Implement Your Solution

Write code that solves the challenge requirements and passes all test cases.

3. Test & Refine

Use the built-in testing tools to validate your solution, then refine it for:

Correctness
Efficiency
Code quality

4. Submit & Compare

Submit your passing solution to be added to the scoreboard:

Your solution is automatically tested and scored
Execution time and resource usage are recorded
Your solution is ranked among other submissions
Access detailed performance metrics to optimize further

5. Learn & Progress

Review the learning materials to deepen your understanding of the concepts used.

Contributing

We welcome contributions! To add a new challenge:

Fork the repository
Create a new challenge following our template structure
Submit a pull request

See CONTRIBUTING.md for detailed guidelines.

License

This project is licensed under the MIT License - see the LICENSE file for details.

Star History

Happy Coding! 💻