Comments
+4

nice, sir!!
0

Hello Theo830 Can you please tell me how you avoid making TWO segment tree graphs in F? I could only do 2, one which has down orientation and one which has up. source code here: https://mirror.codeforces.com/contest/1903/submission/235239350 Thank you in advance!
0

In problem F, how is it possible to only use one segment tree structure? Won't you need two (also for the negation nodes — whose edges go to the parents, instead of towards the children)?

+12

who tested this round?? who tested this round?? who tested this round?? who tested this round??
-22

very bad contest. it was unbalanced, but more importantly, statement of d2B was wrong!!! It said that limit is g / 2, without ceil parathesis, so i assumed it is floor. I got one wa for this. Just one minute later, you give announcement that it is in fact ceil. Then got accepted. I want delta compensation.
0

Hello! I mentioned I am new to this stuff. Please be kind to me... I am sorry if I've disturbed you, sir...
0

Auto comment: topic has been updated by Geanina_the_Great (previous revision, new revision, compare).
0

Auto comment: topic has been updated by Geanina_the_Great (previous revision, new revision, compare).
0

Auto comment: topic has been updated by Geanina_the_Great (previous revision, new revision, compare).
0

Auto comment: topic has been updated by Geanina_the_Great (previous revision, new revision, compare).
0

treapynite pog
+8

is this china mathforces round or am i safe?