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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 - AtCoder Quiz 2

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

B - Maritozzo

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

C - Neo-lexicographic Ordering

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

D - Strange Lunchbox

• Official Editorial by leaf1415
• Official 解説放送 by editorial_admin
• User Editorial by hamayanhamayan

E - Moat

• Official Editorial by leaf1415
• Official 解説放送 by editorial_admin
• 条件の判定方法 by Mitsubachi

F - Cleaning Robot

• Official Editorial by leaf1415
• Official 解説放送 by editorial_admin

G - Propagation

• Official Editorial by leaf1415
• Official 解説放送 by editorial_admin
• クエリ平方分割 by suisen

H - Candles

• Official Editorial by mechanicalpenciI
• Official 解説放送 by editorial_admin
• 別の角度からの考察 by Nachia
• User Editorial by kyopro_friends