哦，找到原因了....
那么此贴作废
by kingofpupil @ 2018-10-08 22:54:00
@[kingofpupil](/space/show?uid=37637) 怎么办，我也是P党，也RE了
by GK0328 @ 2018-10-31 08:25:25
还是改BFS吧
by GK0328 @ 2018-10-31 08:27:31
BFS也是RE
by GK0328 @ 2018-10-31 08:37:27