#include #include #include template struct Edge { int src, dst; Cost cost; Edge(int src = -1, int dst = -1, Cost cost = 1) : src(src), dst(dst), cost(cost){}; bool operator<(const Edge& e) const { return this->cost < e.cost; } bool operator>(const Edge& e) const { return this->cost > e.cost; } }; template struct Graph { std::vector>> graph; Graph(int n = 0) : graph(n) {} void span(bool direct, int src, int dst, Cost cost = 1) { graph[src].emplace_back(src, dst, cost); if (!direct) graph[dst].emplace_back(dst, src, cost); } int size() const { return graph.size(); } void clear() { graph.clear(); } void resize(int n) { graph.resize(n); } std::vector>& operator[](int v) { return graph[v]; } std::vector> operator[](int v) const { return graph[v]; } }; template std::vector bfs(const Graph& graph, std::vector ss) { std::vector dist(graph.size(), -1); std::queue que; for (auto s : ss) { dist[s] = 0; que.push(s); } while (!que.empty()) { int v = que.front(); que.pop(); for (const auto& e : graph[v]) { if (dist[e.dst] != -1) continue; dist[e.dst] = dist[v] + e.cost; que.push(e.dst); } } return dist; } void solve() { int n; std::cin >> n; Graph<> graph(n); for (int i = 0; i < n - 1; ++i) { int u, v; std::cin >> u >> v; graph.span(false, --u, --v); } auto rs = bfs(graph, {0}); std::vector leaves; for (int v = 0; v < n; ++v) { bool isleaf = true; for (auto e : graph[v]) { if (rs[v] < rs[e.dst]) isleaf = false; } if (isleaf) leaves.push_back(v); } auto ls = bfs(graph, leaves); for (int v = 0; v < n; ++v) { std::cout << std::min(rs[v], ls[v]) << "\n"; } } int main() { std::cin.tie(nullptr); std::ios::sync_with_stdio(false); solve(); return 0; }