#include #include #include #include #include #include #include #include #include #include #include #include #include #define int long long using namespace std; const int INF = 1LL << 18; struct edge { int to; int cost; }; typedef pair P; typedef pair PP; int V, E; vector G[100005]; int d[2][100005]; // 0: チケットを使わない最短距離 // 1: チケットを1回使った時の最短距離 void dijkstra() { priority_queue, greater> q; fill(d[0], d[1]+V, INF); d[0][0] = d[1][0] = 0LL; q.push(PP(0LL, P(0, 0))); while (!q.empty()) { PP p = q.top(); q.pop(); int cost = p.first; int cur = p.second.first; int used = p.second.second; if (d[used][cur] < cost) continue; for (edge e : G[cur]) { if (used == 1) { if (d[1][e.to] > d[1][cur] + e.cost) { d[1][e.to] = d[1][cur] + e.cost; q.push(PP(d[1][e.to], P(e.to, 1))); } } else { if (d[0][e.to] > d[0][cur] + e.cost) { d[0][e.to] = d[0][cur] + e.cost; q.push(PP(d[0][e.to], P(e.to, 0))); } if (d[1][e.to] > d[0][cur]) { d[1][e.to] = d[0][cur]; q.push(PP(d[1][e.to], P(e.to, 1))); } } } } } signed main() { cin.sync_with_stdio(false); cin.tie(0); cout.tie(0); cin >> V >> E; for (int i = 0; i < E; i++) { int a, b; int c; cin >> a >> b >> c; a--; b--; G[a].push_back((edge){b, c}); G[b].push_back((edge){a, c}); } dijkstra(); for (int i = 0; i < V; i++) { cout << d[0][i] + d[1][i] << "\n"; } return 0; }