cp-algorithms / cp-algorithms

Algorithm and data structure articles for https://cp-algorithms.com (based on http://e-maxx.ru)

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.

DMOJ / online-judge

A modern open-source online judge and contest platform system.

cms-dev / cms

Contest Management System

DOMjudge / domjudge

DOMjudge programming contest jury system

Project-LemonLime / Project_LemonLime

为了 OI 比赛而生的基于 Lemon + LemonPlus 的轻量评测系统 | 三大桌面系统支持

aaryansamanta / usaco-tripple-perfect

USACO 2026 Second Contest: Bronze, Silver and Gold problems explained, with verified C++17 solutions.