Media Summary: I think E can be solved with segment tree, but i haven't code it out. :-( rank 25 on final standing. solving A to F and 2 hacks! Due to my career development, this is my first rated contest after about 4 ...
Codeforces Good Bye 2018 B - Detailed Analysis & Overview
I think E can be solved with segment tree, but i haven't code it out. :-( rank 25 on final standing. solving A to F and 2 hacks! Due to my career development, this is my first rated contest after about 4 ...