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#include <cstdio>
#include <vector>
#include <queue>
using namespace std;
int n,m,i,j;
int costminim[50010];
int heap[500010],nc,poz[500010];
void ins(int x)
{
heap[++nc]=costminim[x];
poz[nc]=x;
int i=nc;
while (i>1&&heap[i/2]>heap[i])
swap(heap[i],heap[i/2]),swap(poz[i],poz[i/2]),i/=2;
}
void elim()
{
heap[1]=heap[nc--];
poz[1]=poz[nc+1];
heap[nc+1]=50000001;
int i=1;
}
vector <int> v[50010],cost[50010];
int main()
{
freopen("dijkstra.in","r",stdin);
freopen("dijkstra.out","w",stdout);
scanf("%d%d",&n,&m);
for (i=1; i<=m; i++)
{
int a,b,c;
scanf("%d%d%d",&a,&b,&c);
v[a].push_back(b);
cost[a].push_back(c);
}
for (i=2; i<=n; i++)
costminim[i]=50000001,heap[i]=50000001;
heap[++nc]=0;
poz[1]=1;
while (nc)
{
int x=poz[1];
elim();
for (i=0; i<v[x].size(); i++)
if (costminim[x]+cost[x][i]<costminim[v[x][i]])
{
costminim[v[x][i]]=cost[x][i]+costminim[x];
ins(v[x][i]);
}
}
for (i=2; i<=n; i++)
if (costminim[i]!=50000001)
printf("%d ",costminim[i]);
else printf("0 ");
printf("\n");
}