You can watch this video which i made for solving this prolems.

Is it for students only or anyone can participate?

Every thing is hard in the beginning, so my advice to you to solve many problems and try not to be fast to see tutorial for the problem, do your best and after some problems iam sure you will se the difference on your level in graph theory problems.

I think this Sheets will help you.

Good Luck.

Yes, submitting directly on codeforces works, but i made a training sheet to my students and this sheet has problems from different platforms so i made it on vjudge.

This is the main problem.

Auto comment: topic has been updated by _Mahmoud_Ayman (previous revision, new revision, compare).

I'm sure that NourElleithy will win this challenge.

In this problem it must be negative values in the array so, It is important to know that if you can achieve largest subsegment sum to be X then you can achieve largest subsegment sum equals to Y where Y >= X.

So you can make 2 vectors, first holding positive values and the other holding negative values and make binary search on the maximum subsegment sum.

To know if you can rearrange the elements so that the maximum subsegment sum is at most mid you can iterate over the positive values and start with variable sum is equal to 0 then you can choose to put positive value or negative value according to the state (the current maximum subsegment sum).

You can see this problem, It is similar to your idea, if the link dose not open, make sure to join here. and this is my solution (code).

The most important case of happiness after been qualified to ACPC is i will meet all of YOU ❤️❤️

Egypt -- Benha University -- if not ACPC return ***; return gg

_Mahmoud_Ayman && AbdoGad && M.Ibrahem

as a Muslim, I support this idea very much

there is no time for solving more problems due to breakfast because we don't eat or drink anything for more than 13 hours

_Mahmoud_Ayman

my advice to give :- Don't be shy to ask anyone for help

i think all pro competitive programmer needed help and asked for help one day.

thanks bro

شكرا يا احمد ربنا يخليك

thanks mohammed

thanks youssif

thanks <3

thanks alot <3

habibi come to Egypt <3

thanks alot bro

i agree with you but i made this for anyone not good at english.

حبيبي تسلملي♥️

Sure, I will make tutorial for it soon in Arabic.

i think it is from the best contests i see in my journy till now.

I hope every participant to get + points and do well today <3.

please open the others solutions or make tutorial blog for this contest.

I loves your contests very much it is really great<3.

i have 3 play lists on 2 YouTube channel Mr.Algorithm and Dr.Mostafa Saad

in Mr Algorithm there are 2 play lists and in Dr mostafa saad channel there is 1 perfect play list.

the 3 play lists in Arabic.

Congratulation Bakry We are all in Egypt proud of you and we wish success and success to all people in general and Egyptians in particular. Really i want to be as you oneday in the future. Congratulation again <3.

I hope everyone has fun Good luck for all participants I hope it will be nice contest

I hope to you all the best for you , good luck

thank you very much

I used ideone.com in order to write my code in public mode and someone copied my code This was a mistake that wont be repeated in future.I want my rank PLS.