Register a New Author
Note: Be sure to read help before you start.
参加比赛的同学请注意：这里注册的是JOJ账号，注册完成后请进行比赛登记。
Please fill the following blanks correctly. Make sure your email is available, because we will mail you important contest notification. Your password shouldn't be too short or too easy, make it safe as soon as possible. All the items except the Author ID can be updated any time, so you are supposed to choose an easy-remembered one. The nickname will be always displayed in the JOJ system, that's also your screen name. Of course, you can update it any time as you wish.