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#include <cstdio>
#include <fstream>
using namespace std;
ifstream cin("dijkstra.in");
ofstream cout("dijkstra.out");
const int maxn = 50005;
const int inf = 1 << 30;
struct graf {int nod, cost; graf *next;};
graf *a[maxn];
int n,m,d[maxn],h[maxn],poz[maxn],k;
/// D e vectorul de cost.
void add(int x, int y, int cost)
{
graf *q = new graf;
q->nod = y,q->cost = cost,q->next = a[x],a[x] = q;
}
void read()
{
cin>>n>>m;
int x,y,z;
while(cin>>x>>y>>z) add(x, y, z);
for ( int i = 1; i <= n; ++i ) d[i] = inf, poz[i] = -1;
}
void upheap(int what)
{
int tata;
while ( what > 1 )
{
tata = what >> 1;/// :2
if ( d[ h[tata] ] > d[ h[what] ] )
{
poz[ h[what] ] = tata;
poz[ h[tata] ] = what;
int t = h[tata]; h[tata] = h[what]; h[what] = t;
what = tata;
}
else what = 1;
}
}
void downheap(int what)
{
int f;
while ( what <= k )
{
f = what;
int r=what<<1;
if ( (what<<1) <= k )
{
f = what << 1;
if ( f + 1 <= k )
if ( d[ h[f + 1] ] < d[ h[f] ] ) ++f;
}
else return;
if ( d[ h[what] ] > d[ h[f] ] )
{
poz[ h[what] ] = f;
poz[ h[f] ] = what;
int t = h[what]; h[what] = h[f]; h[f] = t;
what = f;
}
else return;
}
}
void dijkstra_heap(int st)
{
d[st]=0,poz[st] = 1,h[++k] = st;
while ( k )
{
int min = h[1];
int t = h[1]; h[1] = h[k]; h[k] = t; /// pune minimul la finalul vectorului h.
--k; /// sterge ultimul element(minimul)
poz[ h[1] ] = 1;
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()
{
read();
dijkstra_heap(1);
for ( int i = 2; i <= n; ++i )
if(d[i]!=inf) cout<<d[i]<<' ';
else cout<<0<<' ';
}