Cannot understand Codeforces interface? Cannot submit your solution? or How to enter a contest?
Don't worry, here is a guide that will help you answer these questions.
Step 0 : Prerequisites: Determination / Dedication.
Step 1 : Open https://codeforces.com/ & enter (log in) with your Codeforces username.
Step 2 : Select the Contests option from the navigation bar.
Step 3 : Select the contest you want to take part in & then click the Register button. When the contest is about to start at the scheduled time, you will get an option to Enter the arena on the same page.
Step 4 : You will be taken to the Contest Dashboard where you will see all the Problems of the contest arranged difficulty wise with the easiest one at the top.
Step 5 : Select the Problem you want to attempt.
Step 6 : After understanding the problem, Switch to your offline/online IDE ( like VS Code ) and write the code to solve the Problem.
Step 7 : Once you are done writing the code & running it on the given test cases, Now you have to submit the code file.
Step 8 : Go back to the Problem and on the right side of the window you will see a Submit? box. Select the language in which you have written the code & then upload your solution using Choose File option. After doing so click on the Submit button.
Step 9 : Your solution is now queued & Codeforces will check the validity of the solution by running several test cases. If your solution passes all the test cases then you will get the verdict Accepted . You can check the status of your submissions through the My Submissions button on the navigation bar.
Step 10 : Solve as many Problems as you can within the stipulated time limit. You can also view the leaderboard during & after the contest.
Congrats! You have successfully participated in your first Codeforces contest.
You can try the steps by participating in Past Contests .
Friendly Tip : You really can't be good at something if you don't like it. So have fun! Good luck!