@[内田浩一](/user/558686) 开O2
by OoXiao_QioO @ 2022-09-12 11:29:37
楼上正解
by Katz @ 2022-09-12 11:30:18
@[OoXiao_QioO](/user/721429)
az过了
但双向广搜不是比一般bfs快吗，为什么开O2才过得去？
by KinoTsuki @ 2022-09-12 11:31:33