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Overall Editorial

• Official 解説放送 by admin
• 4分でA-F by evima
• twitter上で行った簡易な解説 by kyopro_friends

A - 202<s>3</s>

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

B - Tetrahedral Number

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

C - Loong Tracking

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

D - Loong and Takahashi

• Official Editorial by kyopro_friends
• Official 解説放送 by editorial_admin
• 別解 by rsk0315
• User Editorial by MMNMM

E - Non-Decreasing Colorful Path

• Official Editorial by physics0523
• Official 解説放送 by editorial_admin
• ダイクストラ法 by convexineq

F - Hop Sugoroku

• Official Editorial by physics0523
• Official 解説放送 by editorial_admin
• User Editorial by Kiri8128

G - Discrete Logarithm Problems

• Official Editorial by kyopro_friends
• Official 解説放送 by editorial_admin
• 位数をより高速に計算する方法 by suisen
• User Editorial by MMNMM