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#include <iostream>
#include <fstream>
#include <queue>
#include <vector>
using namespace std;
ifstream in("dijkstra.in");
ofstream out("dijkstra.out");
const int Nmax = 50005;
const int oo = (1 << 30);
int N, M;
int D[Nmax]; //vector distante
bool inCoada[Nmax]; //spune daca un nod este vizitat sau nu
vector < pair < int, int > > G[Nmax];
struct comparaDistante //ajuta la stabilirea minimului
{
bool operator()(int x, int y)
{
return D[x] > D[y];
}
};
priority_queue < int, vector < int >, comparaDistante> Coada;
void Citeste()
{
in >> N >> M;
for(int i = 1; i <= M; i++)
{
int x, y, c;
in >> x >> y >> c;
G[x].push_back(make_pair(y,c));
}
}
void Dijkstra (int nodStart)
{
for(int i = 1; i <=N; i++)
D[i] = oo;
D[nodStart] = 0;
Coada.push(nodStart);
inCoada[nodStart] = true;
while(!Coada.empty())
{
int nodCurent = Coada.top();
Coada.pop();
inCoada[nodCurent] = false;
for(size_t i = 0; i < G[nodCurent].size(); i++)
{
int Vecin = G[nodCurent][i].first;
int Cost = G[nodCurent][i].second;
if(D[nodCurent] + Cost < D[Vecin])
{
D[Vecin] = D[nodCurent] + Cost;
if(inCoada[Vecin] == false)
{
Coada.push(Vecin);
inCoada[Vecin] = true;
}
}
}
}
}
void Afiseaza()
{
for(int i = 2; i <= N; i++)
{
if(D[i] != oo)
out<< D[i] << " ";
else
out<< " 0 ";
}
}
int main()
{
Citeste();
Dijkstra(1);
Afiseaza();
return 0;
}