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#include <iostream>
#include <fstream>
using namespace std;
ifstream in("dijkstra.in");
ofstream out("dijkstra.out");
const int N = 50001;
const int M = 250001;
const int INF=1e9+1;
struct element{
int vf, c, urm;
} v[M];
int lst[N], d[N], h[N], poz[N], n, m, nr, nh;
void adauga_succesor(int x, int y, int c)
{
++nr;
v[nr].vf = y;
v[nr].c = c;
v[nr].urm = lst[x];
lst[x]=nr;
}
void schimb(int p1, int p2)
{
int aux = h[p1];
h[p1]=h[p2];
h[p2]=aux;
poz[h[p1]]=p1;
poz[h[p2]]=p2;
}
void urca(int p)
{
while(p>1 && d[h[p]] < d[h[p/2]])
{
schimb(p, p/2);
p/=2;
}
}
void coboara(int p)
{
int fs = 2*p, fd = 2*p+1, bun = p;
if(fs <=nh && d[h[fs]] < d[h[bun]])
{
bun = fs;
}
if(fd <=nh && d[h[fd]] < d[h[bun]])
{
bun = fd;
}
}
void sterge(int p)
{
if(p==nh)
{
nh--;
}
else
{
h[p] = h[nh--];
poz[h[p]] = p;
urca(p);
coboara(p);
}
}
void dijkstra(int x0)
{
for(int i=1; i<=n; i++)
{
d[i]=INF;
h[++nh] = i;
poz[i]=nh;
}
d[x0] = 0;
urca(poz[x0]);
while(nh>0 && d[h[1]] < INF)
{
int x=h[1];
sterge(1);
for(int p=lst[x]; p!=0; p=v[p].urm)
{
int y = v[p].vf;
int c=v[p].c;
if(d[x]+c<d[y])
{
d[y]=d[x]+c;
urca(poz[y]);
}
}
}
}
int main()
{
in>>n>>m;
for(int i=0; i<m; i++)
{
int x, y, c;
in>>x>>y>>c;
adauga_succesor(x, y, c);
}
dijkstra(1);
for(int i=2; i<=n; i++)
{
if(d[i]==INF)
{
d[i]=0;
}
out<<d[i]<<' ';
}
return 0;
}