备案（
要活命的嘛（
by APicebar @ 2019-12-13 23:23:19
??
by maruize @ 2019-12-13 23:23:50
打错了，是“改网址”...
by maruize @ 2019-12-13 23:29:36
响应国家号召
by XQLG @ 2019-12-13 23:38:25
什么号召
by maruize @ 2019-12-13 23:44:44
因为洛谷是盈利性网站，不能再用 `.org` 了（狗头
by hellomath @ 2019-12-14 00:02:09
~~楼上正解~~
by Lstdo @ 2019-12-14 00:09:22
国家对org域名备案越来越严格，为了不被拔网线，也只能换。
by hh0592821 @ 2019-12-14 00:27:54
所以换了顶级域名？？？!!!∑(ﾟДﾟノ)ノ
by 颓废的鲈鱼 @ 2019-12-14 07:04:29