---

Overall Editorial

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

A - Good morning

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

B - Mex

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

C - Choose Elements

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

D - Polynomial division

• Official Editorial by mechanicalpenciI
• Official 解説放送 by editorial_admin
• 実装が比較的容易な解法 by MMNMM
• User Editorial by math_hiyoko

E - Wrapping Chocolate

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

F - Endless Walk

• Official Editorial by mechanicalpenciI
• Official 解説放送 by editorial_admin
• User Editorial by Kazu1998k
• User Editorial by noshi91
• User Editorial by kyopro_friends

G - Foreign Friends

• Official Editorial by mechanicalpenciI
• Official 解説放送 by editorial_admin
• User Editorial by tatyam
• User Editorial by ygussany

Ex - Product Modulo 2

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