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Overall Editorial

• Official 解説放送 by admin
• 4分でA-F by evima

A - Raise Both Hands

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

B - Binary Alchemy

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

C - Word Ladder

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

D - Cross Explosion

• Official Editorial by Nyaan
• Official 解説放送 by editorial_admin
• より大きい制約で解く方法 by hiro1729
• ordered set を使わない解法 by toam
• さらにより大きい制約で解く方法 (O(Q log Q) 解法) by toam

E - Avoid K Partition

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

F - Cake Division

• Official Editorial by cn449
• Official 解説放送 by editorial_admin
• 判定問題・条件を満たす切り目の数え上げを線形時間で行う方法 by KKT89

G - Divisible by 3

• Official Editorial by Nyaan
• Powerful Number Sieveについて by kyopro_friends
• User Editorial by MMNMM