列举了目前所有已知在线编程挑战网站的列表和他们的一些活动。对于coding及算法的初学者和爱好者来说都是不错的去处。
本文翻译自：(http://www.mathblog.dk/programming-challenges/)
以下网站名称均可直接点击跳转到该网站首页
| Link | 题库 | 批改答案 | 每周编程活动 | 每年编程活动 |
|---|---|---|---|---|
| Project Euler | YES | YES | NO | NO |
| UVa Online Judge | YES | YES | NO | YES |
| Codeforces | YES | YES | YES | YES |
| TopCoder | YES | YES | YES | YES |
| Sphere Online Judge (SPOJ) | YES | YES | NO | YES |
| CodeChef | YES | YES | YES | YES |
| Light OJ | YES | YES | YES | YES |
| Timus Online Judge | YES | YES | NO | YES |
| SSU Online Contester | YES | YES | NO | YES |
| Tianjin University Online Judge | YES | YES | NO | YES |
| Google Code Jam | YES | YES | NO | YES |
| Internet Problem Solving Contest (IPSC) | YES | NO | NO | YES |
| Croatian Open Competition in Informatics (COCI) | YES | NO | NO | YES |
| USA Computing Olympiad (USACO) | YES | NO | NO | YES |
| International Olympiad in Informatics (IOI) | YES | NO | NO | NO |
| International Collegiate Programming Contest (ICPC) | YES | NO | NO | NO |
| ACM-ICPC Live Archive | YES | YES | NO | NO |
| Nordic Collegiate Programming Contest (NCPC) | YES | NO | NO | NO |
| HP CodeWars | YES | NO | NO | NO |
| HackerRank | YES | YES | YES | YES |