Function test_2

code/graph/scc.test.cpp:22–31

}

void test_2() {
  vvi adj(2);

  adj[0].push_back(1);

  pair<union_find, vi> res = scc(adj);
  union_find scc = res.first;

  assert_not_equal(scc.find(0), scc.find(1));
}

void test_3() {
  vvi adj(5);