10 More Puzzle Websites to Sharpen Your Programming Skills
My recently published Six Revision guest post, 10 Puzzle Websites to Sharpen Your Programming Skills, got a great response, hitting the front page of Hacker News, Reddit, and doing fairly well on Digg too. Lots of comments were left pointing out some sites which weren't included in my list, so I'm following up here with a list of 10 more top programming puzzle websites: 1. Code Chef Code Chef has lots of practice puzzles, and monthly competitions with cash prizes. The Sphere Online Judge contains 1871 different programming problems. 3. The aim with code golf is to submit a solution using the fewest characters possible.Solutions can be submitted in Perl, Python PHP or Ruby. 4. Over 2600 great programming puzzles, and also regular contests. 5. An online competition site that automatically checks your submissions. 6. The code jam is a programming contest from Google. 7. 8. A British version of the computing olympiad. 9. 10. A site dedicated to practical Java programming problems.