1. Carrot predicts rating change and analys performance.

2. CF Analytics Analyse profiles. Include statistics of problems solved. A bar chart showing problems solved for each problem rating, a doughnut chart displaying tags solved across any problem and also lists a count for each tag. The ‘Unsolved Problems’ shows a count of all problems attempted with not correct verdict and also lists them.

3. CF Tracker keeps track of spent time on a particular problem.

4. Codeforces Practice Tracker you can Read overview section of this extension.

Bonus:

Dark Reader If you love to code in dark mode, this extension will apply dark mode on every website.

CF Track this website can help you solve problems contest wise.

**If any extension missing from my list which are relative and useful, comment them **

I'm facing this error while importing this file in order to use ordered set, How can I fix it?

Rating of Educational Codeforces Round 159 is taking longer than usual, isn't it?

In div 2 rounds, we can lock our submission and hack others code, cheaters use this opportunity to cheat or leak solutions during contest. How about hacking phrase starts right after contest ends and last for 1 or 2 hours (Unlike 12 hours in div 3 or educational round)?

It's quite boring to have a week without CF contest Nah?

What is the difference between long long and int64_t?

is it okay if I compare long long data with int64_t?

I tested it in CF and it worked fine, but I got compilation error in ICPC Dhaka regional preliminary. Is this because I compared long long data with int64_t? (I'm not seeing any other errors in my code + it runs in CF custom test)

I find codemarshal down most of the time, is there any other platform to practice Dhaka Regionals problems ?

Difficulty levels for past few contests hasn't been updated.

Why is it taking so long to update, usually it doesn't take that much of time to update.