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#include<fstream>
using namespace std;
int n,m,i,j,x,y,c,nod;
int H[50002],p[50002],d[50002],t[50002];
struct graf{
int x,c;
graf *urm;
};
graf *gr[50002],*q;
int inf=2000000000;
ifstream f("dijkstra.in");
ofstream g("dijkstra.out");
void add(int x,int y,int c)
{
graf *q=new graf;
q->x=y;
q->c=c;
q->urm=gr[x];
gr[x]=q;
}
void swap(int i,int j)
{
int aux;
aux=H[i];H[i]=H[j];H[j]=aux;
aux=p[H[i]];p[H[i]]=p[H[j]];p[H[j]]=aux;
}
void up(int k)
{
int tata=k/2,fiu=k;
while(tata>=1 && d[H[fiu]]<d[H[tata]])
{
swap(tata,fiu);
fiu=tata;
tata=fiu/2;
}
}
void down(int k)
{
int fiu=2*k,tata=k;
while(fiu<=m)
{
if(fiu+1<=m && d[H[fiu]]>d[H[fiu+1]]) fiu++;
if(d[H[fiu]]<d[H[tata]])
{
swap(fiu,tata);
tata=fiu;
fiu=2*tata;
}
else fiu=m+1;
}
}
int main()
{
f>>n>>m;
for(i=1;i<=m;i++)
{
f>>x>>y>>c;
add(x,y,c);
}
for(i=1;i<=n;i++)
{
d[i]=inf;
H[i]=i;
p[i]=i;
}
m=n;
d[1]=0;
d[0]=-1;
for(i=1;i<n;i++)
{
nod=H[1];
swap(1,m);
m--;
down(1);
for(q=gr[nod];q!=NULL;q=q->urm)
{
if(d[q->x]>d[nod]+q->c)
{
d[q->x]=d[nod]+q->c;
t[q->x]=nod;
up(p[q->x]);
}
}
}
for(i=2;i<=n;i++)
{
if(d[i]==inf) g<<0<<" ";
else g<<d[i]<<" ";
}
f.close();
g.close();
return 0;
}