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fix typo"元素"to"集合" #2986

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fix typo"元素"to"集合" #2986

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2 changes: 1 addition & 1 deletion problems/kamacoder/图论并查集理论基础.md
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Expand Up @@ -74,7 +74,7 @@ int find(int u) {
```


如何表示 C 也在同一个元素里呢？ 我们需要 father[C] = C，即C的根也为C，这样就方便表示 A，B，C 都在同一个集合里了。
如何表示 C 也在同一个集合里呢？ 我们需要 father[C] = C，即C的根也为C，这样就方便表示 A，B，C 都在同一个集合里了。

所以father数组初始化的时候要 father[i] = i，默认自己指向自己。

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