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Overall Editorial

• Official 解説放送 by admin
• twitter上で行った簡易な解説 by kyopro_friends

A - Rotate

• Official Editorial by kyopro_friends
• Official Editorial by physics0523
• Official 解説放送 by editorial_admin

B - Climbing Takahashi

• Official Editorial by kyopro_friends
• Official 解説放送 by editorial_admin

C - The Kth Time Query

• Official Editorial by Nyaan
• Official 解説放送 by editorial_admin
• ユーザ解説 by drken

D - Multiply and Rotate

• Official Editorial by Nyaan
• Official 解説放送 by editorial_admin
• ユーザ解説 by drken

E - MST + 1

• Official Editorial by Nyaan
• Official 解説放送 by editorial_admin
• User Editorial by Kazu1998k
• User Editorial by kyopro_friends

F - Variety of Digits

• Official Editorial by kyopro_friends
• Official 解説放送 by editorial_admin
• User Editorial by LayCurse

G - Gardens

• Official Editorial by Nyaan
• Official 解説放送 by editorial_admin

Ex - Painting Weighted Graph

• Official Editorial by kyopro_friends
• Official 解説放送 by editorial_admin