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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 - TLD

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

B - Langton's Takahashi

• Official Editorial by cn449
• Official 解説放送 by editorial_admin
• 複素数の回転を用いた移動方向の計算 by suisen

C - Perfect Bus

• Official Editorial by cn449
• Official 解説放送 by editorial_admin
• User Editorial by kyopro_friends

D - Synchronized Players

• Official Editorial by cn449
• Official 解説放送 by editorial_admin

E - Smooth Subsequence

• Official Editorial by cn449
• Official 解説放送 by editorial_admin

F - Product Equality

• Official Editorial by physics0523
• Official 解説放送 by editorial_admin
• User Editorial by potato167
• User Editorial by chro4896

G - Smaller Sum

• Official Editorial by physics0523
• Official 解説放送 by editorial_admin
• User Editorial by potato167
• User Editorial by miscalculation53
• 永続セグメント木による解法 by hirayuu_At
• User Editorial by kyopro_friends
• User Editorial by chro4896
• User Editorial by ngtkana