fix test

Author: lrvideckis

tests/library_checker_aizu_tests/trees/subtree_isomorphism.test.cpp

@@ -8,29 +8,16 @@ int main() {
   cin.tie(0)->sync_with_stdio(0);
   int n;
   cin >> n;
-  vector<vector<int>> adj_unrooted(2 * n);
-  vector<vector<int>> adj_rooted(n);
+  vector<vector<int>> adj(n);
   for (int i = 1; i < n; i++) {
     int p;
     cin >> p;
-    adj_unrooted[p].push_back(i);
-    adj_unrooted[i].push_back(p);
-    adj_unrooted[p + n].push_back(i + n);
-    adj_unrooted[i + n].push_back(p + n);
-    adj_rooted[p].push_back(i);
+    adj[p].push_back(i);
+    adj[i].push_back(p);
   }
-  auto [num_distinct_subtrees, iso_id] =
-    subtree_iso(adj_unrooted);
-  auto [num_distinct_subtrees_rooted, iso_id_rooted] =
-    subtree_iso(adj_rooted);
-  assert(
-    num_distinct_subtrees == num_distinct_subtrees_rooted);
+  auto [num_distinct_subtrees, iso_id] = subtree_iso(adj);
   cout << num_distinct_subtrees << '\n';
-  for (int i = 0; i < n; i++) {
-    cout << iso_id[i] << " ";
-    assert(iso_id[i] == iso_id_rooted[i]);
-    assert(iso_id[i] == iso_id[i + n]);
-  }
+  for (int i = 0; i < n; i++) cout << iso_id[i] << " ";
   cout << '\n';
   return 0;
 }