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Overall Editorial

• Official 解説放送 by admin
• twitter上で行った簡易な解説 by kyopro_friends

A - Not Overflow

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

B - Matrix Transposition

• Official Editorial by sugarrr
• Official 解説放送 by editorial_admin
• User Editorial by cai_lw

C - kasaka

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

D - LR insertion

• Official Editorial by sugarrr
• Official 解説放送 by editorial_admin
• User Editorial by cirno3153
• User Editorial by kyopro_friends

E - Skiing

• Official Editorial by mechanicalpenciI
• Official 解説放送 by editorial_admin
• User Editorial by Tomii9273

F - |LIS| = 3

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

G - Range Sort Query

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

Ex - Hakata

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