Contest Detail - 黑猫OJ

Done OI Start at: 2024-9-6 18:30 200 hour(s) Host:

blackcat 19

认真对待每一道题目
严格按照每套题 2 小时作答
老师有权要求学生对选项做出合理解释
点击右上角【参加比赛】，然后进入【题目列表】答题

Status: Done
Rule: OI
Problem: 3
Start at: 2024-9-6 18:30
End at: 2024-9-15 2:30
Duration: 200 hour(s)
Host: blackcat
Partic.: 19