#line 1 "main.cpp" #include #include #include #include #include using namespace std; using mint = atcoder::modint1000000007; void solve() { int n, m; cin >> n >> m; vector ps(n, 1); atcoder::dsu dsu(n); vector> leaders(n); for (int v = 0; v < n; ++v) leaders[v].push_back(v); while (m--) { int u, v; cin >> u >> v; --u, --v; u = dsu.leader(u), v = dsu.leader(v); if (u == v) continue; if (dsu.size(u) > dsu.size(v)) swap(u, v); // size(u) <= size(v) if (dsu.size(u) == dsu.size(v)) { if (u != dsu.merge(u, v)) swap(u, v); // uが新しいleader move(leaders[v].begin(), leaders[v].end(), back_inserter(leaders[u])); for (auto x : leaders[u]) ps[x] /= 2; } else { assert(v == dsu.merge(u, v)); // vがleaderになる for (auto x : leaders[u]) ps[x] = 0; leaders[u].clear(); } dsu.merge(u, v); } for (auto p : ps) cout << p.val() << "\n"; } int main() { cin.tie(nullptr); ios::sync_with_stdio(false); solve(); return 0; }