@[RiverHamster](/user/31756) added & thanks.
by StudyingFather @ 2022-05-06 10:37:00
@[RiverHamster](/user/31756) /bx
by syksykCCC @ 2022-05-06 12:06:20
其实感觉只要把单位矩阵的行随便交换下就行了。。
by hly1204 @ 2022-05-06 12:33:50