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#include<cstdio>
#include<vector>
using namespace std;
vector<int> con[50010],cost[50010];
int n,m,x,y,l;
int sz,hppos[50010],vec[50010];
int val[50010];
void setup(int pos)
{
while(val[hppos[pos]]<val[hppos[pos/2]]&&pos>1)
{
swap(hppos[pos],hppos[pos/2]);
swap(vec[hppos[pos]],vec[hppos[pos/2]]);
pos/=2;
}
}
void setdown(int pos)
{
while((pos*2)<=sz)
{
if((pos*2)+1<=sz)
{
if(val[hppos[pos*2]]<val[hppos[(pos*2)+1]])
{
if(val[hppos[pos]]>val[hppos[pos*2]])
{
swap(hppos[pos],hppos[pos*2]);
swap(vec[hppos[pos]],vec[hppos[pos*2]]);
pos*=2;
}
else
{
break;
}
}
else
{
if(val[hppos[pos]]>val[hppos[(pos*2)+1]])
{
swap(hppos[pos],hppos[(pos*2)+1]);
swap(vec[hppos[pos]],vec[hppos[(pos*2)+1]]);
pos*=2;
pos++;
}
else
{
break;
}
}
}
else
{
if(val[hppos[pos]]>val[hppos[pos*2]])
{
swap(hppos[pos],hppos[pos*2]);
swap(vec[hppos[pos]],vec[hppos[pos*2]]);
pos*=2;
}
else
{
break;
}
}
}
}
int main()
{
freopen("dijkstra.in","r",stdin);
freopen("dijkstra.out","w",stdout);
for(int i=1;i<50001;i++)
{
val[i]=250000001;
}
scanf("%d %d",&n,&m);
for(int i=1;i<=m;i++)
{
scanf("%d %d %d",&x,&y,&l);
con[x].push_back(y);
cost[x].push_back(l);
}
sz=1;
hppos[1]=1;
vec[1]=1;
val[1]=0;
while(sz>0)
{
int next;
int cst;
// printf("%d\n",hppos[1]);
while(!con[hppos[1]].empty())
{
next=con[hppos[1]].back();
cst=cost[hppos[1]].back();
if(val[next]!=250000001)
{
val[next]=min(val[next],val[hppos[1]]+cst);
if(vec[next]!=0)
{
setup(vec[next]);
}
}
else
{
val[next]=val[hppos[1]]+cst;
sz++;
vec[next]=sz;
hppos[sz]=next;
setup(vec[next]);
}
con[hppos[1]].pop_back();
cost[hppos[1]].pop_back();
}
// for(int i=1;i<=sz;i++) printf("%d ",hppos[i]);
// printf("\n");
vec[hppos[1]]=0;
swap(hppos[1],hppos[sz]);
sz--;
setdown(1);
// for(int i=1;i<=sz;i++) printf("%d ",hppos[i]);
// break;
}
for(int i=2;i<=n;i++)
{
if(val[i]==250000001)
{
printf("0 ");
}
else
{
printf("%d ",val[i]);
}
}
}