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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 - To Be Saikyo

• Official 解説 by yuto1115
• Official Editorial by admin

B - Who is Saikyo?

• Official Editorial by Nyaan
• Official Editorial by admin
• ユーザ解説 (DFS / BFS でも解ける) by drken
• User Editorial by kyopro_friends

C - Approximate Equalization 2

• Official 解説 by yuto1115
• Official Editorial by admin
• ユーザ解説 by drken
• ソートしない方法 by chro4896

D - Odd or Even

• Official Editorial by Nyaan
• Official Editorial by admin
• User Editorial by cn449

E - Duplicate

• Official Editorial by Nyaan
• Official Editorial by admin
• Official Editorial by admin
• 楽な実装 by nesya

F - Flip Machines

• Official 解説 by yuto1115

G - Redistribution of Piles

• Official Editorial by Nyaan
• Official Editorial by admin
• User Editorial by kyopro_friends

Ex - Group Photo

• Official 解説 by yuto1115
• Official Editorial by admin
• User Editorial by Mitsubachi