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Overall Editorial

• Official 出題一覧（解説放送を見たい場合はこちらのリンクをご利用ください） by kaede2020_admin

A - ASCII code

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

B - 2^N

• Official Editorial by kyopro_friends
• Official Editorial by admin

C - Multi Test Cases

• Official Editorial by Nyaan
• Official 解説動画 by admin
• 実装上の注意(主にC/C++) by kyopro_friends

D - Counterclockwise Rotation

• Official Editorial by m_99
• Official Editorial by admin
• User Editorial by Trineutron

E - Reorder Cards

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