Codeforces Helper 作者： Itzp

This extension enhances your experience on Codeforces by providing the following features:

1. View Participated Contests:
Easily identify the contests you've participated in directly from the /contests page. Additionally, compare your participation with other users by entering their usernames.

2. Question Ratings in Submissions:
View the ratings of problems directly in the /submissions/<username> page, making it easier to evaluate the difficulty of problems you've solved or attempted.

3. Tag Hider:
Hide all the tags, while just showing the question rating.

4. Save Questions:
You can now save your favourite questions in various lists, import/export them, and see them all on your profile page.

These features aim to streamline your Codeforces browsing experience by providing useful insights and comparisons at a glance.