coding-problems

DSA - Data Structures and Algorithms: A collection of optimized Java solutions to common problems, categorized by difficulty, to help with coding interview preparation.

🚀 A collection of my LeetCode solutions, organized by topic and difficulty. Regularly updated with clean, optimized solutions and explanations to track my Data Structures & Algorithms journey.

Java coding problems and DSA solutions with simple explanations, plus Spring Boot backend, REST API, CRUD, and full-stack projects with HTML, CSS, and JavaScript.

Solutions to various coding problems and algorithms implemented in Kotlin

Solutions to various coding problems from LeetCode, HackerRank, Daily Coding Problem etc. Each problem is accompanied by unit tests.

My personal collection of solutions to NTHU Online Judge problems.

My competitive programming / leetcode solutions

A collection of data structure and algorithm problems implemented in Python, each with a clear problem statement, solution, and complexity analysis.

HackerRank : A collection of Python solutions to HackerRank practice problems, organized by week.

Java coding problems and programming practice solutions focused on logical thinking, problem-solving, and technical interview preparation.

Automated tracking of my daily Data Structures & Algorithms problem-solving across LeetCode and GeeksForGeeks.

A collection of common Python problems with clear, practical solutions — great for learning, interviews, and daily coding practice.

Programming problems in rust

An open-source, full-stack DSA tracking platform built with Next.js and Supabase featuring custom sheet generation and multiple sheets progress synchronisation.

A Streamlit app for browsing and viewing LeetCode-style coding problem solutions in C++ and Python

A structured collection of coding problems and solutions implemented in Python and Java for technical assessment and interview preparation. Includes topic-wise problems and real assessment questions for practice.

AlgoVault - centralized platform that aggregates algorithm and data-structure problems from LeetCode, GeeksforGeeks, HackerRank, and more — helping you track your competitive programming progress, master problem-solving skills, and build a structured, high-quality coding portfolio.

🧠 Clean and optimized DSA problem solutions with explanations, patterns, and multiple approaches.

60 essential JavaScript coding interview questions with solutions, time complexity analysis, and expert tips, perfect for beginners and junior developers preparing for 2025 frontend, full-stack, or JavaScript developer interviews. Includes string/array algorithms, async patterns, object manipulation, and real-world coding challenges.