Welcome to codeforces :) hacking is to give a testcase that makes a solution to a participant fail(i.e Wrong Answer,runtime error, time limit exceeded) the owner of the code that you try to hack he do nothing ,if his solution is absolutely correct then no one can hack his code
I think this is a widespread problem and everyone face it sometimes. So, I have a suggestion to improve the situation. It would be nice, if when your code fails on system tests (or hacked) you don't get the problem incorrect, but instead you receive some penalty for this hack (it ...
is this really an actual hacking attempt? why it seems fake to me? I may be wrong, correct me if i am. i have many more screenshot of previous contests, which have the similar pattern of hacking. Hack Code:  Hack Test Case: , I saw a“Successful hacking attempt”in the“Hacks”list. But I think this hacking might involve cheating. Look at this hacked submission:204925830. The source code of the def...
he is right !!! →Reply yeputons 12 years ago,hide#| +16 It means that you have resubmitted the solution. Only the last submission counts, but in your case it was hacked, so you haven't got any points for the problem. →Reply...
I saw in the comments of Codeforces Round #823 (Div. 2) that many C++ users needed to usesetprecisionto get AC on problem B. Fortunately, as a Java user, I didn't face the issue this time, but it made me wonder: what are some "gotchas" that people who are newer to competitive ...
So I took part in the Codeforces Round 886 for Div4 and quite enjoyed the contest. I was able to solve all but the last problem but unfortunately, my solution for the G task got hacked which was quite annoying then the next day after hacking and system testing it said that my solution...
Hi Guys,- I am only 2 contests old on codeforces but the way the competition is organized and the level of participation impresses me a lot. I thought therefore to write my views over the benefits of using codeforces CODEFORCES A very good ELO rating system . Quite balanced and relative ...