@[煜·····](/space/show?uid=97115) 你好，确实是这样...
by StudyingFather @ 2019-10-10 17:10:55
@[StudyingFather](/space/show?uid=22030) 困扰了我好久，幸亏一位大佬私信告诉我@[chestX_ray](/space/show?uid=44529)
by 煜····· @ 2019-10-10 17:24:21
@[煜·····](/space/show?uid=97115) 其实如果看了题解的话应该很快就知道这个问题了吧（笑）。
by StudyingFather @ 2019-10-10 17:25:20
@[StudyingFather](/space/show?uid=22030) 一直没看，早知道就看看了
by 煜····· @ 2019-10-11 06:12:02