#include #include #include #include #include #include #include #include #include #include #include using namespace std; typedef long long ll; const int MAX_N = 100010; struct Edge { int to; ll cost; Edge(int to = -1, ll cost = -1) { this->to = to; this->cost = cost; } }; struct Node { int v; ll cost; bool use_ticket; Node(int v = -1, ll cost = -1, bool use_ticket = false) { this->v = v; this->cost = cost; this->use_ticket = use_ticket; } bool operator>(const Node &n) const { return cost > n.cost; } }; vector E[MAX_N]; int main() { int N, M; cin >> N >> M; int a, b, c; for (int i = 0; i < M; ++i) { cin >> a >> b >> c; E[a].push_back(Edge(b, c)); E[b].push_back(Edge(a, c)); } priority_queue , greater> pque; pque.push(Node(1, 0)); ll costs[N + 1][2]; memset(costs, 0, sizeof(costs)); bool visited[N + 1][2]; memset(visited, false, sizeof(visited)); costs[1][1] = 0; visited[1][1] = true; while (not pque.empty()) { Node node = pque.top(); pque.pop(); if (visited[node.v][node.use_ticket]) continue; visited[node.v][node.use_ticket] = true; costs[node.v][node.use_ticket] = node.cost; for (auto &[u, cost] : E[node.v]) { pque.push(Node(u, node.cost + cost, node.use_ticket)); if (not node.use_ticket) { pque.push(Node(u, node.cost, true)); } } } for (int i = 1; i <= N; ++i) { cout << costs[i][0] + costs[i][1] << endl; } return 0; }