Kattis
open.kattis.comThousands of programming problems to solve and compete on
Education & Learningcompetitive-programmingcoding-challengesalgorithmsproblem-solvingleaderboardprogramming-practice
About
Kattis is an online competitive programming platform hosting thousands of algorithmic and mathematical problems for users to solve. It features a ranked leaderboard where individuals and affiliations (universities, countries) can compete based on cumulative scores. Users can register for free and immediately start solving problems across a range of difficulties.
Problem
Programmers lack a structured platform with a large, varied collection of coding challenges and a competitive ranking system to practice and measure their skills.
For
students, competitive programmers, and software developers interested in algorithmic problem-solving
How it works
Users register, browse problems categorized by difficulty, submit solutions that are automatically judged, and earn points that contribute to global, institutional, and national rankings.
Business model
freemium
Status
launched