题解有二分+贪心的满分解法……
by ChenXiJie2013 @ 2024-02-18 21:00:34
@[ChenXiJie2013](/user/928418) dilworth定理啊哪里不对了？？
by expnoi @ 2024-02-18 21:01:20
@[expnoi](/user/378346) 他这是 n 方的，会 T
by xiaoshumiao @ 2024-02-18 21:01:55
i*i就行了吧
by tjx123456 @ 2024-02-18 21:05:58
@[xiaoshumiao](/user/1008513) 啊我说是正确性。。我还以为你说方法错了/qd
by expnoi @ 2024-02-18 21:11:51