解説

コンテスト全体の解説


A - Various Roots


B - Heavy Rotation


C - Sum of Three Inversions


D - Boomerang


E - Max Twice Subsequences (Easy)


F - Decimal Pyramid


G - Team Division


H - Akari Counting


I - Subgrid Connected Components


J - KinGin's Summit


K - Two-Way Communication


L - Avoid Multiple


M - Take K


N - Fair Flags


O - Next STPC