Day 0
Flew to Kazan, a bit above the bed adjust the time difference.
Day 1
Registration day, but we reported the day before, so we stroll a bit venue.
Day 2
Practice session 1, A topic title water, B digital title dp, C problem is a problem bipartite enumeration, D is a problem often DP card cancer card space problems.
Day 3
Practice session 2, A big problem, captain lk directly seconds off, B title is a fairy diameter merger (template), C title is a dynamic tree can be off-line template, D title is a dichotomous answer segment tree (card often) questions