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#include <cstdio>
#include <vector>
#include <algorithm>
using namespace std;
#define MAX 50005
#define MAXM 250005
#define INF 250000001
vector<pair <int, int> >v[MAX];
int d[MAX], vpoz[MAX], heap[MAX];
void del(int poz), upheap(int poz), downheap(int poz);
int n, m, nh;
int main()
{
freopen("dijkstra.in","r",stdin);
freopen("dijkstra.out","w",stdout);
int i, a, b, w, bnod;
scanf("%d%d",&n,&m);
for(i=1; i<=m; i++)
{
scanf("%d%d%d",&a,&b,&w);
v[a].push_back(make_pair(b,w));
}
for(i=1; i<=n; i++)
{
d[i]=INF;
heap[i] = vpoz[i] = i;
}
d[1]=0;
nh=n;
while(1)
{
if(nh==0)
break;
bnod = heap[1];
if(d[bnod]==INF) break;
for(i=0; i<(int)v[bnod].size(); i++)
{
a=bnod; w=v[bnod][i].second; b=v[bnod][i].first;
if(d[a] + w < d[b]){
d[v[bnod][i].first]=d[bnod] + v[bnod][i].second;
upheap(vpoz[v[bnod][i].first]);
}
}
del(1);
}
for(i=2; i<=n; i++)
{
if(d[i] == INF)
printf("0 ");
else
printf("%d ",d[i]);
}
printf("\n");
return 0;
}
void upheap(int poz)
{
int tata;
if(poz == 1) return;
tata = poz/2;
if(d[heap[tata]] > d[heap[poz]])
{
swap(heap[tata],heap[poz]);
swap(vpoz[heap[tata]],vpoz[heap[poz]]);
upheap(tata);
}
}
void del(int poz)
{
swap(heap[1],heap[nh]);
swap(vpoz[heap[1]],vpoz[heap[poz]]);
nh--;
downheap(1);
}
void downheap(int poz)
{
int fiu;
if(poz*2 > nh) return;
fiu = poz*2+(poz*2+1<=nh and d[heap[poz*2]]>d[heap[poz*2+1]]);
if(d[heap[poz]] > d[heap[fiu]])
{
swap(heap[poz],heap[fiu]);
swap(vpoz[heap[fiu]],vpoz[heap[poz]]);
downheap(fiu);
}
}