---

Overall Editorial

There is no editorial yet.

A - Wrong Answer

• Official Editorial by en_translator
• Other Solutions by Proposer by evima

B - Happy New Year 2025

• Official Editorial by en_translator

C - Ticket Gate Log

• Official Editorial by en_translator

D - Sum of Geometric Series

• Official Editorial by en_translator
• Solution for Problem B by Binary_64

E - Yamanote Line Game

• Official Editorial by en_translator
• User Editorial by rui_er

F - Make Isomorphic

• Official Editorial by en_translator

G - Goin' to the Zoo

• Official Editorial by en_translator

H - Wrapping Chocolate

• Official Editorial by en_translator

I - Useless for LIS

• Official Editorial by en_translator