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Overall Editorial

• Official 解説放送 by admin
• 4分でA-F by evima
• twitter上で行った簡易な解説 by kyopro_friends

A - Print 341

• Official Editorial by leaf1415
• Official 解説放送 by editorial_admin
• 別解 by rsk0315

B - Foreign Exchange

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

C - Takahashi Gets Lost

• Official Editorial by leaf1415
• Official 解説放送 by editorial_admin
• より高速な解法 by shiomusubi496

D - Only one of two

• Official Editorial by mechanicalpenciI
• Official 解説放送 by editorial_admin
• User Editorial by tatyam

E - Alternating String

• Official Editorial by mechanicalpenciI
• Official 解説放送 by editorial_admin
• セグメント木を用いない解法 by hitoare

F - Breakdown

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

G - Highest Ratio

• Official Editorial by mechanicalpenciI
• Official 解説放送 by editorial_admin
• User Editorial by KumaTachiRen
• CHTで解く方法 by Shirotsume