\#4输出了`2526.0`
by songhongyi @ 2020-07-13 14:41:20
数据删除可还行
by smallfang @ 2020-07-13 14:43:31
qndmx+计算几何大佬%%%
by AdventureExtremeX @ 2020-07-13 14:44:21
@[0xsf](/user/99640) 因为是校内OJ
by songhongyi @ 2020-07-13 14:44:22
@[songhongyi](/user/122079) 推荐直接删了（（
by smallfang @ 2020-07-13 14:45:18
@[0xsf](/user/99640) orz ……
by songhongyi @ 2020-07-13 14:45:54
@[songhongyi](/user/122079) 推荐边走边算权值
by smallfang @ 2020-07-13 14:46:06
@[0xsf](/user/99640) 额，不太会（；´д｀）ゞ
by songhongyi @ 2020-07-13 14:47:46
怎么记得这题以前是个紫
by OvOAuto @ 2020-07-13 14:59:27
调好了，学谢谢大家
by songhongyi @ 2020-07-13 16:32:04