寒假集训_01_14

Done XCPC Start at: 2025-1-14 14:00 3 hour(s) Host: 40

请各位同学不要作弊,作弊的同学买不到回家的车票

补充题目:[黑匣子]https://www.luogu.com.cn/problem/P1801

请各位同学将补充题目作为正式题目对待并刷题

Status
Done
Rule
XCPC
Problem
6
Start at
2025-1-14 14:00
End at
2025-1-14 17:00
Duration
3 hour(s)
Host
Partic.
40