#include #include #include #include #include #include #include #define se second #define fi first #define mp make_pair #define pb push_back typedef long long ll; typedef long double ld; using namespace std; const int inf = (int)1e9; int main() { int n, m; cin >> n >> m; vector>> g(n); for (int i = 0; i < m; i++) { int x, y, W; cin >> x >> y >> W; x--, y--; g[x].push_back(make_pair(y, W)); g[y].push_back(make_pair(x, W)); } int start; cin >> start; start--; vector w(n, inf); w[start] = 0; vector used(n, false); for (int _ = 0; _ < n; _++) { int cur_rst = inf + 1; int cur = -1; for (int i = 0; i < n; i++) { if (!used[i] && w[i] < cur_rst) { cur_rst = w[i]; cur = i; } } for (auto e : g[cur]) { int nxt = e.first; int cur_nxt_w = e.second; if (w[nxt] > w[cur] + cur_nxt_w) { w[nxt] = w[cur] + cur_nxt_w; } } } for (auto e : w) cout << e << ' '; return 0; }