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#include <fstream>
#include <queue>
#include <set>
#include <utility>
using namespace std;
ifstream fin("dijkstra.in");
ofstream fout("dijkstra.out");
struct nod{int val;int cost;};
bool operator<(const nod &lhs, const nod &rhs)
{
return lhs.cost>rhs.cost;
}
int X,Y,C,N,M,poz,s,x,drum[50005],inainte[50005];
bool viz[50005];
priority_queue <nod> v[50005];
multiset < pair <int, int> > muchie;
multiset < pair <int, int> > :: iterator it;
void make_muchie(int sursa)
{
for(int i=1;i<=N;i++)
{
drum[i]=99999;
muchie.insert(make_pair(99999,i));
}
muchie.insert(make_pair(0,sursa));
drum[sursa]=0;
viz[sursa]=1;
}
int main()
{
fin>>N>>M;
for(int i=1;i<=M;i++)
{
fin>>X>>Y>>C;
nod aux_1={Y,C};
v[X].push(aux_1);
nod aux_2={X,C};
v[Y].push(aux_2);
}
make_muchie(1);
while(!muchie.empty())
{
it=muchie.begin();
int n=(*it).second;
muchie.erase(muchie.begin());
while(!v[n].empty())
{
if(!viz[v[n].top().val])
{
it=muchie.find(make_pair(drum[v[n].top().val],v[n].top().val));
if(it!=muchie.end())
{
if((*it).first>v[n].top().cost+drum[n])
{
muchie.erase(it);
muchie.insert(make_pair(v[n].top().cost+drum[n], v[n].top().val));
drum[v[n].top().val]= v[n].top().cost+drum[n];
inainte[v[n].top().val]=n;
}
}
}
v[n].pop();
}
viz[n]=1;
}
for(int i=2;i<=N;i++)
fout<<drum[i]<<' ';
return 0;
}