#include #include #include #include #include #include #include #include using namespace std; using ll = long long; struct Graph { struct VertexQ { bool operator<(const VertexQ& o) const { return c > o.c; // 逆 } int i; ll c; }; struct Vertex { int n; ll c; }; struct Edge { int i, n, c; }; Graph(int n, int m) : v(n, { -1 }), e(m), n(n), m(0) {} void add_edge(int i, int j, int c) { e[m] = { j, v[i].n, c }; v[i].n = m; m++; } void dijkstra(int i) { for (int i = 0; i < n; i++) v[i].c = 1LL << 60; priority_queue q; q.push({ i, v[i].c = 0 }); while (!q.empty()) { auto p = q.top(); q.pop(); if (p.c > v[p.i].c) continue; for (int j = v[p.i].n; j >= 0; j = e[j].n) { Edge& o = e[j]; ll c = p.c + o.c; if (c < v[o.i].c) q.push({ o.i, v[o.i].c = c }); } } } vector v; vector e; int n, m; }; int main() { ios::sync_with_stdio(false); cin.tie(0); int n, m; cin >> n >> m; Graph g(n * 2, m * 3 * 2); for (int i = 0; i < m; i++) { int a, b, c; cin >> a >> b >> c; a--; b--; g.add_edge(a, b, c); g.add_edge(b, a, c); g.add_edge(a, b + n, 0); g.add_edge(b, a + n, 0); g.add_edge(a + n, b + n, c); g.add_edge(b + n, a + n, c); } g.dijkstra(0); cout << 0 << '\n'; for (int i = 1; i < n; i++) { cout << g.v[i].c + g.v[i + n].c << '\n'; } return 0; }