1 files changed, 0 insertions, 22 deletions
diff --git a/graph/virtualTree.cpp b/graph/virtualTree.cpp
deleted file mode 100644
index 2fcea80..0000000
--- a/graph/virtualTree.cpp
+++ /dev/null
@@ -1,22 +0,0 @@
-// needs dfs in- and out- time and lca function
-vector<int> in, out;
-
-void virtualTree(vector<int> ind) { // indices of used nodes
-	sort(all(ind), [&](int x, int y) {return in[x] < in[y];});
-	for (int i=0; i<sz(a)-1; i++) {
-		ind.push_back(lca(ind[i], ind[i+1]));
-	}
-	sort(all(ind), [&](int x, int y) {return in[x] < in[y];});
-	ind.erase(unique(all(ind)), ind.end());
-
-	int n = ind.size();
-	vector<vector<int>> tree(n);
-	vector<int> st = {0};
-	for (int i=1; i<n; i++) {
-		while (in[ind[i]] >= out[ind[st.back()]]) st.pop_back();
-		tree[st.back()].push_back(i);
-		st.push(i);
-	}
-	// virtual directed tree with n nodes, original indices in ind
-	// weights can be calculated, e.g. with binary lifting
-}