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#include<stdio.h>
const int inf = 1 << 30;
int m,n,d[50010],h[50010],poz[50010],k;
struct graf
{
int nod,cost;
graf *next;
};
graf *a[50010];
void swap(int x, int y)
{
int aux=h[x];
h[x]=h[y];
h[y]=aux;
}
void upheap(int x)
{
while(x>1 && d[h[x/2]]>d[h[x]])
{
swap(x,x/2);
poz[h[x]]=x;
poz[h[x/2]]=x/2;
x=x/2;
}
}
void downheap(int x)
{
int y;
while(x!=y)
{
y=x;
if(2*x<=k && d[h[x]]>=d[h[2*y]])
x=2*y;
if(2*x+1<=k && d[h[x]]>=d[h[2*y+1]])
x=2*y+1;
swap(x,y);
poz[h[x]]=x;
poz[h[y]]=y;
}
}
void dijkstra_heap()
{
for(int i=2;i<=n;++i)
{
d[i]=inf;
poz[i]=-1;
}
poz[1]=1;
h[++k]=1;
while(k)
{
int min=h[1];
swap(1,k);
poz[h[1]]=1;
--k;
downheap(1);
graf *q = a[min];
while(q)
{
if(d[q->nod]>d[min]+q->cost)
{
d[q->nod] = d[min] + q->cost;
if(poz[q->nod]!=-1)
upheap(poz[q->nod]);
else
{
h[++k] = q->nod;
poz[h[k]] = k;
upheap(k);
}
}
q=q->next;
}
}
}
int main()
{
//freopen("input.in","r",stdin);
freopen("dijkstra.in","r",stdin);
freopen("dijkstra.out","w",stdout);
scanf("%d%d",&n,&m);
int x,y,z;
for(int i=1;i<=m;++i)
{
scanf("%d%d%d",&x,&y,&z);
graf *q = new graf;
q->nod = y;
q->cost = z;
q->next = a[x];
a[x] = q;
}
dijkstra_heap();
for(int i=2;i<=n;++i)
{
if(d[i]==inf)
printf("%d",0);
else
printf("%d ",d[i]);
}
return 0;
}