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Overall Editorial

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

A - kcal

• Official Editorial by KoD
• User Editorial by hamayanhamayan
• 実数（浮動小数点数）の計算・出力の誤差について by MMNMM

B - Permutation Check

• Official Editorial by KoD
• User Editorial by hamayanhamayan
• User Editorial by kzrnm

C - POW

• Official Editorial by kyopro_friends
• User Editorial by hamayanhamayan
• User Editorial by TumoiYorozu
• User Editorial by GidroOttenok3797
• ユーザ解説 by drken

D - Kth Excluded

• Official Editorial by KoD
• User Editorial by hamayanhamayan
• User Editorial by TumoiYorozu
• User Editorial by kanpurin

E - White and Black Balls

• Official Editorial by KoD
• User Editorial by hamayanhamayan
• User Editorial by kanpurin

F - Grid and Tokens

• Official Editorial by KoD
• User Editorial by hamayanhamayan