VJudge Cookie Filler automatically retrieves cookies from supported online judges (OJs) so you can submit problems to Virtual Judge using your own accounts.
Currently supported OJs: Codeforces, QOJ, UVA, Luogu, and Nowcoder.
It's easy to add support for more OJs — welcome to submit PR.
Github Homepage
Settings
1 . In Tampermonkey settings, switch "Config mode" to Advanced

2 . Make sure "Allow scripts to access cookies" is set to All, and then save

Usage
When you're on a VJudge Submit page, simply click "My Account" or "Archive". The script will automatically perform — no manual steps needed.

Add OJ
You can gain the cookies OJ needed on "Update" on the page of submit in VJudge, then add them and the main page url of OJ to script's OJ variable. After that, create a new line in script meta data: @match OJ main page url with wildcard
.