What is a successful hack in codeforces?

There are two possible outcomes: “Successful hack” — it means the code failed, and you’re rewarded with 100 points for that. Otherwise, it’s “Unsuccessful hack” (the code did not fail) and you get minus 50 points for that.

How can I do well in codeforces contest?

low_’s blog

1. Before the contest. Prepare: water for hydrating, pen and A LOT OF paper for drafting. Also don’t forget to go to the toilet 15 or 30 mins prior to the contest.
2. During the contest: Keep focus on nothing but the tasks. REMEMBER: quality must be prioritized more than quantity.
3. After the contest:

What is the hack phase in codeforces?

Also in an open hacking phase, you can see and hack anyone’s solution. But, in the contests, when you have to lock your code to see others’, you can only see those people’s solutions who are in the same room as you during the contest. [ Codeforces assigns a room to each contestant, so you can hack only your roommates!]

How do you use CF predictor?

1. Compute role send requests to codeforces, compute approximate rating changes and store some of them in the cache.
2. Web role just get rating prediction from compute role and show it in human readable view.
3. Chrome extension send request to web role, get JSON response and partly modify the contest standings page.

How do I get codeforces solution?

The solution is to go to the problem set-> find that problem -> click on “Solved Column” and you get the page with options to filter the solutions :).

How long does it take to become a Codeforce specialist?

From Newbie to Expert in 6 months – Codeforces.

How accurate is Codeforces rating predictor?

A project still in beta, so predictions are not very accurate. Average mistake around 5 points, but for the contestants at the back of standings it could be greater up to a few hundreds.

How do contests work in Codeforces?

In brief, on the contests held by Codeforces rules you write solutions to the problems that are tested during the contest on a very small number of tests. Those who have passed that set of solution tests, their authors can block (refuse to resend the solutions of this task in future even if they find a mistake).