Unverified Commit dc15fce7 authored by ouuan's avatar ouuan Committed by GitHub
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🔀 Merge pull request #1782 from Chiechun/master

Update virtual-tree.md
parents a8a491ec 24cfe1b3
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@@ -141,7 +141,7 @@ author: HeRaNO, Ir1d, konnyakuxzy, ksyx, Xeonacid, konnyakuxzy, greyqz

首先我们在栈中添加节点 $1$ 。

然后接下来按照 DFS 序从小到添加关键节点。
然后接下来按照 DFS 序从小到添加关键节点。

假如当前的节点与栈顶节点的 LCA 就是栈顶节点的话,则说明它们是在一条链上的。所以直接把当前节点入栈就行了。