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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 - Exponential or Quadratic

• Official 解説 by penguinman
• Official Editorial by en_translator
• Official 解説放送 by editorial_admin
• ユーザ解説 by drken

B - Pizza

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

C - digitnum

• Official 解説 by physics0523
• Official Editorial by en_translator
• Official 解説放送 by editorial_admin
• ユーザ解説 by Kazu1998k
• ユーザ解説 by kyopro_friends

D - AND and SUM

• Official 解説 by penguinman
• Official Editorial by en_translator
• Official 解説放送 by editorial_admin
• ユーザ解説 by ecottea
• ユーザ解説 by kyopro_friends

E - Range Sums

• Official 解説 by penguinman
• Official Editorial by en_translator
• Official 解説放送 by editorial_admin

F - Two Exams

• Official 解説 by physics0523
• Official Editorial by en_translator
• Official 解説放送 by editorial_admin
• ユーザ解説 by suisen

G - Cubic?

• Official 解説 by physics0523
• Official 解説 by physics0523
• Official Editorial by en_translator
• Official Editorial by en_translator
• Official 解説放送 by editorial_admin
• ユーザ解説 by satashun
• User Editorial by ShmilyTY
• ユーザ解説 by toam
• ユーザ解説 by int_cl
• ユーザ解説 by kanpurin

Ex - Removing People

• Official 解説 by penguinman
• Official Editorial by en_translator
• Official 解説放送 by editorial_admin