@[LuYe0219](/user/759152) 这个好像得用状态压缩(尽管我也是70)
by sxy2012yutiti @ 2023-07-06 13:21:05
@[yutiti80](/user/729386) ~~位运算我不会啊~~
by yinbe @ 2023-07-06 13:51:34
@[LuYe0219](/user/759152) emm,参考题解学一下吧,我也不会具体解法
by sxy2012yutiti @ 2023-07-06 14:37:34
@[yutiti80](/user/729386) ~~就是因为题解看不懂我才来求救啊。~~
by yinbe @ 2023-07-06 19:37:38