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Overall Editorial

• Official 解説放送 by admin

A - OS Versions

• Official Editorial by physics0523
• Official 解説放送 by editorial_admin
• 簡単な解法 by Tamiji

B - The Odd One Out

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

C - Upgrade Required

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

D - Pop and Insert

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

E - Closest Moment

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

F - Clearance

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

G - Range Knapsack Query

• Official 解説 by yuto1115
• Official 解説放送 by editorial_admin
• 参考記事 by maspy
• Disjoint Sparse Table を使った解法 by drogskol