一条代码会造成结果不同

P3366 【模板】最小生成树

那条代码为**dist[t]=0**
by AnotherDay @ 2022-03-23 20:00:12

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@[AnotherDay](/user/576674) ？我这边测出来你没加那句话也过了啊？
by cinout001_Wii @ 2022-03-23 20:31:49

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@[cinout001_Wii](/user/138492) 我天为啥啊，我改了好长时间啊wc 我试了一下还真是！
by AnotherDay @ 2022-03-23 20:48:16

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@[AnotherDay](/user/576674) 好像是O2之后挂掉了 你要不查查自己代码有没有 [Undefined Behavior](https://studyingfather.blog.luogu.org/undefined-behavior)?
by cinout001_Wii @ 2022-03-23 20:52:38

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@[cinout001_Wii](/user/138492) 学到了，学到了。 非常感谢
by AnotherDay @ 2022-03-23 21:50:15

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