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请问如何生成一棵有根树，并以父->子的形式输出 #91

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nalemy opened this issue Aug 22, 2021 · 2 comments
Open

请问如何生成一棵有根树，并以父->子的形式输出 #91

nalemy opened this issue Aug 22, 2021 · 2 comments

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@nalemy
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nalemy commented Aug 22, 2021

就类似于这道题的形式输出树边。每行两个数 a,b 表示 a 是 b 的父亲。
@nalemy
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nalemy commented Aug 22, 2021

能不能有除了dfs一遍以外的其他方法？

@CUICUI2010
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Cu Ball

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@nalemy @CUICUI2010