halfrost / LeetCode-Go
✅ Solutions to LeetCode by Go, 100% test coverage, runtime beats 100% | LeetCode 题解
halfrost / LeetCode-Go
OI-wiki / OI-wiki
:star2: Wiki of OI / ICPC for everyone. （某大型游戏线上攻略，内含炫酷算术魔法）
keon / algorithms
Minimal examples of data structures and algorithms in Python
cp-algorithms / cp-algorithms
Algorithm and data structure articles for https://cp-algorithms.com (based on http://e-maxx.ru)
EndlessCheng / codeforces-go
算法竞赛模板库 by 灵茶山艾府 💭💡🎈
judge0 / judge0
Robust, fast, scalable, and sandboxed open-source online code execution system for humans and AI.
kth-competitive-programming / kactl
KTH Algorithm Competition Template Library (... eller KTHs AC-tillverkande lapp)
cpeditor / cpeditor
The IDE for competitive programming :tada: | Fetch, Code, Compile, Run, Check, Submit :rocket:
cpinitiative / usaco-guide
A free collection of curated, high-quality resources to take you from Bronze to Platinum and beyond.
jmerle / competitive-companion
Browser extension which parses competitive programming problems
agrawal-d / cph
Makes judging, compiling, and downloading problems for competitive programming easy.
marcosfede / algorithms
Solved algorithms and data structures problems in many languages
cms-dev / cms
Contest Management System
DMOJ / judge-server
Judging backend server for the DMOJ online judge.
DOMjudge / domjudge
DOMjudge programming contest jury system
Yawn-Sean / Daily_CF_Problems
To practice your competitive programming skills, try solving daily Codeforces problems!
aaryansamanta / usaco-tripple-perfect
USACO 2026 Second Contest: Bronze, Silver and Gold problems explained, with verified C++17 solutions.
TienNHM / ebooks
Tổng hợp các ebooks hay
hogan-tech / leetcode-solution
Explore diverse LeetCode solutions in Python, C++, JavaScript, SQL, and TypeScript. Ideal for interview prep, learning, and code practice in multiple programming languages.
wzj52501 / awesome-competitive-olympiad-algorithms
Original algorithmic contest problems and lecture notes — NOIP to NOI & ACM-ICPC level
Whalica / OJ_Insight
OJ Insight is a local-first competitive programming training workspace for multi-OJ analytics, ICPC/CCPC tracking, problem sets, virtual contests, personalized training, and post-contest review.
TaiMaBenJi / knowledge-commons
知识公社 · Knowledge Commons —— 竞赛真题 / 升学考试 / 公务员 / 红色经典 / 世界技能大赛（50 赛项）……一个完全离线的开源学习平台。
taovietducofficial / OOP-Competitive
Master OOP beyond the basics with SOLID, Clean Code, Design Patterns, Testing, and Software Architecture through practical Java, C++, and Python projects.
taovietducofficial / DSA-Competitive
Data Structures and Algorithms practice repository for competitive programming, with implementations and exercises in C++ and Python.
wudream813 / luogu-markdown-editor
洛谷 Markdown & KaTeX 实时预览编辑器 —— 在线版、单文件离线版与 Tauri 桌面版（Windows / macOS / Linux），完整支持洛谷 Markdown 扩展语法