#include <iostream>
#include <fstream>
#include <vector>
#include <queue>

using namespace std;

struct nod
{
    int vecin;
    int cost;
};

vector <nod> graf[50001];
int d[50001];
bool vizitat[50001];
queue <int> coada;

int main()
{
    int n,m,i,x;
    nod y;

    ifstream f("dijkstra.in");
    f>>n>>m;
    for (i=0; i<m; i++) {
        f>>x>>y.vecin>>y.cost;
        graf[x].push_back(y);
    }

    /*for (i=1; i<=n; i++) {
        for (int j=0; j<graf[i].size(); j++)
            cout<<graf[i][j].vecin<<' '<<graf[i][j].cost<<';';
        cout<<'\n';
    }*/

    d[1]=0;
    vizitat[1]=true;
    coada.push(1);

    int Alpha,Bravo;
    while (!coada.empty())
    {
        Alpha=coada.front();
        for (i=0; i<graf[Alpha].size(); i++) {
            Bravo=graf[Alpha][i].vecin;
            if (!vizitat[Bravo]) {
                vizitat[Bravo]=true;
                coada.push(Bravo);
                d[Bravo]=d[Alpha] + graf[Alpha][i].cost;
            }
            else if (d[Alpha] + graf[Alpha][i].cost < d[Bravo]) d[Bravo]=d[Alpha] + graf[Alpha][i].cost;
        }
        coada.pop();
    }

    ofstream g("dijkstra.out");
    for (i=2; i<=n; i++)
        g<<d[i]<<' ';

        return 0;
}