@[Jerry_heng](/user/763878) [https://www.luogu.com.cn/problem/list?tag=48&difficulty=5&page=1](https://www.luogu.com.cn/problem/list?tag=48&difficulty=5&page=1)
by wwm_ @ 2024-04-16 20:18:35
@[Jerry_heng](/user/763878) [唯一出现过省选红题的省](https://www.luogu.com.cn/problem/list?tag=48%7C92&difficulty&page=1)
by DFs_YYDS @ 2024-04-24 13:29:37