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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 - Leftrightarrow

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

B - Integer Division Returns

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

C - One Time Swap

• Official Editorial by mechanicalpenciI
• Official 解説放送 by editorial_admin
• ユーザ解説 by drken
• User Editorial by kyopro_friends

D - Tiling

• Official Editorial by mechanicalpenciI
• Official 解説放送 by editorial_admin
• ビット演算による実装 by Kiri8128

E - Colorful Subsequence

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

F - Many Lamps

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

G - Sugoroku 5

• Official Editorial by Nyaan
• User Editorial by potato167
• User Editorial by KumaTachiRen