举报用户 @ecxjs 抄题解 1.P2838 瓶子国的故事 https://www.luogu.com.cn/record/221223000 2.P2289 [HNOI2004] 邮递员 https://www.luogu.com.cn/record/221222922 3.P2282 [HNOI2003] 历史年份 https://www.luogu.com.cn/record/221222883 4.P2012 拯救世界2 https://www.luogu.com.cn/record/221222809 都在刚刚抄的，符合棕名条件，谢谢