Continuing the idea of helping yourself by helping others ,where each A,B problem i solve i write a full clear description about it.__
I am thinking of making it more general and motivating ; there's a total of ~300 A's and 300 B's on codeforces , if each one of us (for those who care about "blue" or A && B ) chosen randomly 150 problems (75 A's and 75 B's) for this month (i.e. till 13 Oct.) and solve them and made excellent tutorials for them (explain as good as we can by pics , examples , ..) , i think it would be great to have all A's and B's explained in more excellent way (although some tutorials there are so good).
Anyway :), i am going to do this if anyone welcomes the idea , we can motivate each other and get out something really good for our community here.
Edit : Plz if you are in :) , just comment by the range you will take [ex. : i will take from contest 200 to 275 (2*75 ) ] & no problem if there's overlapping for sure.
Edit 2 : we can push it to [A,B,C] & even D to get more people in as NikitaMikhaylov clarified :).
Edit 3 : The idea here is get better as a group of people , and get other people less than you also up (whatever less than you mean (rating ,..) ;so any one have better idea of making this like making a group of hard workers and get some work out for people.
if anyone sees this time consuming , ask me (comment or inbox) and will be deleted , no problem at all with that it is just suggestions :).
Thanks :).
div2 A/B always very easy, I think that this is waste of time to do any special editorial for them.
if you are ok with the idea , we can edit it and make it : A,B,C and change our target to Div1 rather than "blue" ... what about this ?
What's wrong with original editorials? If you don't understand any of this, you can just ask in topic of editorial.
ok,for many reasons i do this :
1- you learn better than anyone else when you explain it to other people.
2- it is better to have n sources to understand the problem rather than 1.
3- motivating ourselves by knowing there's a deadline to done (perfectly done) n problems , so we can be a group pushing things up (even if the tutorials are good , by contribute by yourself has its own taste i think as you are not just learning, there will be people more beginners need this).
4- if you think it is really bad and just time consuming , iam really do not mind to delete it.
also , if you got what i want, and have better ideas to do that plz do it and i will follow (Y) :).
div2 A/B always very easy
Look, you became blue by solving them in 30 minutes, they are obviously not very easy for div 2 participants or you who still have problems with them wouldn't be among the top of the division.
Easier said than done. Lets see where this goes by the next month. Personally i'm trying to go to blue/pink and for me that means trashing out the C and D problems. A and B are mostly implementation related with some little insights in the case of B.
I think focusing on C and D would be better because there's a lot to learn in terms of insights and concepts.
e.g dp , bitmasking, segtrees, number-theory/math..etc
Focusing on "dp , bitmasking, segtrees, number-theory/math..etc" before you can get to div 1 is a waste of time. They usually require several times the implementation skills of A and B problems so you wont be able to do them during contests until you can solve A and B problems easily. I mean, in the end they are just optimization techniques so they wont help you if you can't solve the problem in the first place.
Am assuming that one can almost always solve the A and B problems and now wants to increase ratings.
But most in div 2 struggles with B and do A slowly so they need practice with both. Also I got to div 1 before I knew about segtrees, bitmasks and dynamic programming so I think that in div 2 you should practice using loops, sorting and dictionaries.