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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 - Your First Judge

• Official Editorial by physics0523
• Official 解説放送 by editorial_admin
• ユーザ解説 by drken
• COBOLによる実装 by maple116

B - log2(N)

• Official Editorial by physics0523
• Official 解説放送 by editorial_admin
• User Editorial by NASU41

C - One More aab aba baa

• Official Editorial by physics0523
• Official 解説放送 by editorial_admin
• User Editorial by hamayanhamayan

D - Coprime 2

• Official Editorial by physics0523
• Official 解説放送 by editorial_admin
• User Editorial by hamayanhamayan
• User Editorial by kanpurin
• User Editorial by jell

E - Chain Contestant

• Official Editorial by physics0523
• Official 解説放送 by editorial_admin
• User Editorial by hamayanhamayan

F - Dist Max 2

• Official Editorial by blackyuki
• Official 解説放送 by editorial_admin
• User Editorial by ygussany
• User Editorial by hamayanhamayan

G - Colorful Candies 2

• Official Editorial by leaf1415
• Official 解説放送 by editorial_admin
• User Editorial by noshi91
• User Editorial by tsutaj
• Polynomial Taylor Shift を使った考え方 by MMNMM
• User Editorial by hotman78

H - Cabbage Master

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