@s_r_f @mrsrz
然后是有一些题解有误推荐修改一下：
@[colazcy](/user/64456)
https://www.luogu.com.cn/blog/[colazcy](/user/64456)/solution-p4878
@[Eleven谦](/user/145205)
https://www.luogu.com.cn/blog/Eleven-Qian-ssty/solution-p4878
@清远学会
https://sakura1314.blog.luogu.org/solution-p4878
@两年打铁
https://www.luogu.com.cn/blog/cccsj/solution-p4878
@[Newbie_Shane](/user/49440)
https://www.luogu.com.cn/blog/user49440/ti-xie-p4878-usaco05dec-bu-ju
@[King丨帝御威](/user/68622)
https://www.luogu.com.cn/blog/cyh/solution-p4878
@刘子潮joe
https://www.luogu.com.cn/blog/liuzichao/solution-p4878-yibentong-1512-layout
@旗木五五开
https://www.luogu.com.cn/blog/3878512yy051116/solution-p4878
@[Outlow™](/user/53854)
https://www.luogu.com.cn/blog/15002837001x/solution-p4878
by do_while_true @ 2020-12-03 10:18:14
@[清远学会](/user/153839) @[两年打铁](/user/87026) @[刘子潮joe](/user/158626) @[旗木五五开](/user/68972)
by do_while_true @ 2020-12-03 10:18:40
@[s_r_f](/user/52518) @[mrsrz](/user/6813) 麻烦了qwq
by do_while_true @ 2020-12-03 10:19:00
差分约束题还是有很多条条件件在里面的，仔细看题是正道，这个数据的卡点是必须按编号大小排。
by do_while_true @ 2020-12-03 10:20:54
stO do_while_true!
by ieeqwq @ 2020-12-03 10:36:44
Orz
by Maxmilite @ 2020-12-03 10:38:37
Orz Orz Orz
by hanzhongtlx @ 2020-12-03 10:40:52
stO do_while_true Orz!
by qinyihao @ 2020-12-03 10:52:14
stO do_while_true Orz!
by lytqwq @ 2020-12-03 11:15:16
@[do_while_true](/user/223298) 请增加上那组hack数据qwq@[s_r_f](/user/52518)
by do_while_true @ 2020-12-03 11:23:06