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#include <fstream>
#include <queue>
#include <vector>
#include <list>
#include <algorithm>
#define NMax 50002
#define INF 1<<30
using namespace std;
ifstream fin("dijkstra.in");
ofstream fout("dijkstra.out");
int n,m,i,nod1,nod2,cost,d[NMax];
std::vector<int> viz;
std::pair<int,int> foo;
class Compare
{
public:
bool operator()(std::pair<int,int> t1, std::pair<int,int> t2)
{
if( t1.second > t2.second ) return true;
return false;
}
};
std::priority_queue< std::pair<int,int> , std::vector< std::pair<int,int> > , Compare > coada;
std::list< std::pair<int,int> > lista;
struct graf
{
int nod,cost;
graf *next;
};
graf *a[NMax];
void add(int where,int what,int cost)
{
graf *newid = new graf;
newid->nod = what;
newid->cost = cost;
newid->next = a[where];
a[where] = newid;
}
bool Cmp(std::pair<int,int> t1, std::pair<int,int> t2)
{
return t1.second < t2.second;
}
bool Eliminare(std::pair<int,int> t1)
{
if(viz[t1.first-1]==1)return true;
return false;
}
void dijkstra(int x0)
{
for(i=2;i<=n;++i)d[i]=INF;
lista.push_front(std::make_pair(x0,0));
int pmin = 0,minim = INF;
/*for(int j=1;j<=n;++j)
{
//lista.sort(Cmp);
do
{
foo = lista.front();
pmin = foo.first;
if(viz[pmin-1]==1)lista.pop_front();
}while(!(viz[pmin-1]==0||lista.size()==0));
if(lista.size()==0)break;
lista.pop_front();
viz[pmin-1] = 1;
graf *t = a[pmin];
while(t)
{
if(d[t->nod] > d[pmin] + t->cost)
{
d[t->nod] = d[pmin] + t->cost ;
lista.push_front(std::make_pair(t->nod,d[t->nod]));
}
t = t->next;
}
}*/
while(lista.empty()==0)
{
foo = lista.front();
pmin = foo.first;
lista.pop_front();
graf *t = a[pmin];
while(t)
{
if(d[t->nod] > d[pmin] + t->cost)
{
d[t->nod] = d[pmin] + t->cost ;
lista.push_front(std::make_pair(t->nod,d[t->nod]));
}
t = t->next;
}
}
for(i=2;i<=n;++i)
{
if(d[i]==INF)fout<<"0 ";
else fout<<d[i]<<" ";
}
}
int main()
{
fin>>n>>m;
viz.resize(n);
for(i=1;i<=m;++i)
{
fin>>nod1>>nod2>>cost;
add(nod1,nod2,cost);
}
dijkstra(1);
return 0;
}