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Overall Editorial

• Official 解説放送 by admin
• 3分でA-E by evima
• twitter上で行った簡易な解説 by kyopro_friends

A - AtCoder Line

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

B - Typing

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

C - Standing On The Shoulders

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

D - Permutation Subsequence

• Official 解説 by yuto1115
• Official 解説放送 by editorial_admin
• User Editorial by toam

E - Clique Connect

• Official 解説 by yuto1115
• Official 解説放送 by editorial_admin

F - Estimate Order

• Official Editorial by cn449
• Official 解説放送 by editorial_admin
• User Editorial by ngtkana
• User Editorial by cirno3153
• DP復元による解法 by AngrySadEight

G - Socks 3

• Official 解説 by yuto1115
• Official 解説放送 by editorial_admin
• 直接数え上げる解法 by amentorimaru
• User Editorial by miscalculation53
• 期待値 DP の高速化 by Ebishu0309