Problem
A 五彩斑斓（colorful）
B 错峰旅行（travel）
C 线段树（segment）
D 量子隧穿问题（experiment）

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1023CSP-S

Status: Done
Rule: OI
Problem: 4
Start at: 2024-10-23 13:15
End at: 2024-10-23 17:15
Duration: 4 hour(s)
Host: root
Partic.: 15