1 files changed, 0 insertions, 60 deletions
diff --git a/graph/test/util.cpp b/graph/test/util.cpp
deleted file mode 100644
index 8c14b5c..0000000
--- a/graph/test/util.cpp
+++ /dev/null
@@ -1,60 +0,0 @@
-
-namespace util {
-
-void shuffle_adj_lists(vector<vector<int>> &adj) {
-	for (auto &a: adj) ranges::shuffle(a, rd);
-}
-
-vector<vector<int>> random_tree(int n) {
-	vector<vector<int>> adj(n);
-
-	vector<vector<int>> components(n);
-	for (int i = 0; i < n; i++) components[i].push_back(i);
-	while (components.size() > 1) {
-		int c1 = randint(components.size());
-		int c2 = randint(components.size()-1);
-		c2 += (c2 >= c1);
-
-		int v1 = components[c1][randint(components[c1].size())];
-		int v2 = components[c2][randint(components[c2].size())];
-
-		adj[v1].push_back(v2);
-		adj[v2].push_back(v1);
-
-		if (components[c1].size() < components[c2].size()) swap(c1, c2);
-		for (int v: components[c2]) components[c1].push_back(v);
-		swap(components[c2], components.back());
-		components.pop_back();
-	}
-
-	shuffle_adj_lists(adj);
-	return adj;
-}
-
-vector<vector<int>> path(int n) {
-	vector<vector<int>> adj(n);
-	for (int i = 1; i < n; i++) {
-		adj[i-1].push_back(i);
-		adj[i].push_back(i-1);
-	}
-	return adj;
-}
-
-template<typename... Ts>
-void shuffle_graph(vector<vector<int>> &adj, Ts &...vertex) {
-	int n = adj.size();
-	vector<int> perm(n);
-	iota(perm.begin(), perm.end(), 0);
-	ranges::shuffle(perm, rd);
-
-	vector<vector<int>> new_adj(n);
-	for (int i = 0; i < n; i++) {
-		auto &a = new_adj[perm[i]] = move(adj[i]);
-		for (int &v: a) v = perm[v];
-	}
-	adj = move(new_adj);
-	shuffle_adj_lists(adj);
-	((vertex = perm[vertex]), ...);
-}
-
-}