B 还是数据结构 - Problem Statistics - Hydro

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	hantina	7638ms	11.9 MiB	C++17(O2)	4 KiB	2025-12-21 14:49:07

ID

715

Time

1000ms

Memory

256MiB

Difficulty

10

Tags

251220练习赛

# Submissions

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1

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