赛后自觉更正错题

Done IOI Start at: 2024-11-15 18:30 3 hour(s) Host: 18

基础题，抄袭者公示退队
BC可能是难题，建议先做别的。
bc就是一道题！！！只是b数据更弱而已！！！
赛后自觉更正错题，自觉，每一场比赛

Status
Done
Rule
IOI
Problem
7
Start at
2024-11-15 18:30
End at
2024-11-15 21:30
Duration
3 hour(s)
Host
Partic.
18
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