模拟太难了,所以我打了个线段树()
by __erinww @ 2023-06-25 11:25:38
《模拟太难了》
by Super_excavator @ 2023-06-25 11:49:54
~~这活整的不错,下次不要再整了~~
by _Cyan_ @ 2023-06-25 12:03:40
@[__erinww](/user/850498) 位置0也是有树的
by hjqhs @ 2023-06-25 12:53:05
@[hjqhs](/user/724988) 谢谢%
by __erinww @ 2023-06-25 13:01:51
简单题直接用模拟,否则会把自己整死(
by RisefromtheAshes @ 2023-06-25 13:29:24