你查查有没有无限递归/无限循环？
by qinshi0308 @ 2023-07-11 16:04:47
@[qinshi0308](/user/672237) 没有（大概
by ChickyHas @ 2023-07-11 16:07:33
注释大法？看看注释掉哪个函数以后就不RE了那么罪魁祸首就是它
by qinshi0308 @ 2023-07-11 16:09:09
@[qinshi0308](/user/672237) 好像p用木有。。。
by ChickyHas @ 2023-07-11 16:16:13
~~润了润了~~
by qinshi0308 @ 2023-07-11 16:18:13
@[qinshi0308](/user/672237) ???
by ChickyHas @ 2023-07-11 16:20:51
撤离现场
by qinshi0308 @ 2023-07-11 16:22:19
一点点线索：第一个数据可以跑对第一个问，然后就RE了
by ChickyHas @ 2023-07-11 17:05:35
@[qinshi0308](/user/672237) 你猜怎么着
lca写到异或前面去了
by ChickyHas @ 2023-07-12 13:33:47
@[ChickyHas](/user/307211) 6
by qinshi0308 @ 2023-07-12 14:04:53