#include <iostream>
#include <fstream>
#include <queue>
#include <vector>
using namespace std;

#define MAXN 50001

class Edge {
public:
    int node;
    int cost;

    Edge(int node, int cost) {
        this->node = node;
        this->cost = cost;
    }
};

class Compare {
public:
    bool operator() (Edge a, Edge b) {
        return a.cost < b.cost;
    }
};

int n, m;
vector<vector<Edge>> adj(MAXN); 
vector<long> distances;

void read() {
    fstream fin("dijkstra.in", ios::in);
    fin >> n >> m;

    for (int i = 0; i < m; i++) {
        int x, y, c;
        fin >> x >> y >> c;
        adj[x].push_back(Edge(y, c));
    }

    fin.close();
}

void dijsktra(int source) {
    priority_queue<Edge, vector<Edge>, Compare> heap;

    for (int i = 0; i <= n; i++) {
        distances.push_back(1 << 30);
    }
    distances[source] = 0;

    heap.push(Edge(source, 0));

    while (!heap.empty()) {
        int node = heap.top().node;
        heap.pop();

        for (Edge neighbour : adj[node]) {
            if (distances[neighbour.node] > distances[node] + neighbour.cost) {
                distances[neighbour.node] = distances[node] + neighbour.cost;
                heap.push(neighbour);
            }
        }
    }

}

void write() {
    fstream fout("dijkstra.out", ios::out);
    for (int i = 1; i <= n; i++) {
        fout << distances[i] << " ";
    }

    fout.close();
}

int main() {
    read();
    dijsktra(1);
    write();
    return 0;
}