众所周知这题是最短路树,然而蒟蒻不会,想了一种方法只有18分,求问!

P5201 [USACO19JAN] Shortcut G

可能有些用词不当,见谅QWQ
by hanzhongtlx @ 2020-11-05 21:39:13


十年OI一场空,不开ll 见祖宗/kk
by hanzhongtlx @ 2020-11-05 21:44:34


此贴终
by hanzhongtlx @ 2020-11-05 21:44:48


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by P32sx @ 2022-07-21 14:43:13


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