---

Overall Editorial

• Stream discussing A-F problems. by aryanc403
• A-F in 3 minutes by evima

A - Spoiler

• Official Editorial by en_translator

B - Delimiter

• Official Editorial by en_translator

C - A+B+C

• Official Editorial by en_translator

D - String Bags

• Official Editorial by en_translator

E - Insert or Erase

• Official Editorial by en_translator
• std::list by TOMWT
• Sqrt Algorithm by Kingna

F - Earn to Advance

• Official Editorial by en_translator
• Another Solution by evima
• Similar problem (Codeforces) by spheniscine

G - Points and Comparison

• Official Editorial by en_translator