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#include <fstream>
#include<climits>
using namespace std;
ifstream cin ("dijkstra.in");
ofstream cout ("dijkstra.out");
struct bla
{
int nod,urm,cost;
} t[510010];
int start[51010];
int n,m,d[51010];
int nr;
struct two
{
int varf,value;
} heap[51010];
void read ()
{ int a,b,c,k=0;
cin>>n>>m;
for(int i=1;i<=m;i++)
{
cin>>a>>b>>c;
t[++k].nod=b; t[k].urm=start[a]; start[a]=k; t[k].cost=c;
}
}
void climb (int poz)
{
while(3>2)
{
if(poz>1 && heap[poz].value<heap[poz/2].value)
swap(heap[poz],heap[poz/2]),poz/=2;
else break;
}
}
void down (int poz)
{
int fiu=0;
while(3>2)
{
if(poz*2<=nr) fiu=poz*2;
if(poz*2+1<=nr && heap[poz*2+1].value<heap[fiu].value) fiu++;
if(fiu && heap[poz].value>heap[fiu].value)
swap(heap[poz],heap[fiu]),poz=fiu;
else break;
}
}
void dijkstra ()
{
heap[++nr].varf=1;
heap[nr].value=0;
while(nr)
{
for(int x=start[heap[1].varf];x;x=t[x].urm)
{
if(heap[1].value+t[x].cost<d[t[x].nod]) d[t[x].nod]=heap[1].value+t[x].cost,heap[++nr].varf=t[x].nod,heap[nr].value=d[t[x].nod],climb(nr);
}
heap[1]=heap[nr--];
down(1);
}
}
void write ()
{
for(int i=2;i<=n;i++) {if(d[i]==INT_MAX) d[i]=0; cout<<d[i]<<" ";}
}
void init ()
{
for(int i=2;i<=n;i++) d[i]=INT_MAX;
}
int main()
{
read();
init();
dijkstra();
write();
cin.close();
cout.close();
return 0;
}