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Overall Editorial

• Official 解説放送 by admin

A - G1

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

B - Reverse Proxy

• Official Editorial by physics0523
• Official Bonus! の解答 by physics0523
• Official 解説放送 by editorial_admin

C - Rotatable Array

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

D - XOR Shortest Walk

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

E - Battles in a Row

• Official Editorial by kyopro_friends
• Official 解説放送 by editorial_admin
• User Editorial by nouka28

F - Balanced Rectangles

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

G - Longest Chord Chain

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