没中序不是求不了嘛233
by taoran @ 2017-10-27 21:44:24
是嘛？2333
by clarkwang @ 2017-11-13 20:52:58
用先后序 应该可以求中序的
by exi3t @ 2018-04-13 23:20:22
@[GTX1080Ti](/space/show?uid=34462) 这样的话中序是不唯一的,反例看这里[p1229](https://www.luogu.org/problemnew/show/P1229)
by lzk5627 @ 2018-05-17 09:50:35
@[HNFMS郎才尽江淹](/space/show?uid=88567) 好吧 XD
by exi3t @ 2018-05-18 18:37:09