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//SHORTEST PATH FASTER ALGORITHM = DIJKSTRA CU COADA SIMPLA
//DETECTEAZA CIRCUITELE DE COST NEGATIV!!
#include <fstream>
#include <vector>
using namespace std;
ifstream in("dijkstra.in");
ofstream out("dijkstra.out");
const int MAX = 50001;
int Q[MAX * 4];
int st, dr;
vector<pair<int, int>> G[MAX];
int D[MAX]; //retine costul minim al drumului pana la fiecare nod, care trece doar prin nodurile vizitate
int N, M;
bool viz[MAX]; //vectorul caracteristic al multimii nodurilor pt care drumul de cost minim este deja calculat
void SPFA() {
int i, vf, nod, cost, lg;
while (st <= dr) {
vf = Q[st++];
if (viz[vf])
continue;
lg = G[vf].size();
for (i = 0; i < lg; i++) {
nod = G[vf][i].first;
cost = G[vf][i].second;
if (D[vf] + cost < D[nod]) {
D[nod] = D[vf] + cost;
if(!viz[nod])
Q[++dr] = nod;
}
}
viz[vf] = true; //adaugam nodul vf la multimea nodurilor pt care am calculat deja drumul minim
}
}
int main() {
int x, y, cost;
in >> N >> M;
for (int i = 1; i <= N; i++)
D[i] = 1000000;
D[1] = 0;
st = 1, dr = 0;
for (int i = 1; i <= M; i++) {
in >> x >> y >> cost;
G[x].push_back (pair<int, int> (y, cost));
if(x == 1) {
D[y] = cost;
Q[++dr] = y;
}
}
viz[1] = true;
SPFA();
for (int i = 2; i <= N; i++)
if (D[i] < 1000000)
out << D[i] << ' ';
else
out << 0 << ' ';
return 0;
}