okidd @ 2024-07-24 10:03:34
上个缩点板子再拓扑，和那个模板题区别不大啊
by w9095 @ 2024-07-24 10:14:11
思维难度大于板子吧
by __Toator__ @ 2024-07-24 10:21:27
应该把板子升蓝吧
by LJY_ljy @ 2024-07-30 11:14:42
@Toator 板子就是绿吧，提高组正常难度