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#include<iostream>
#include<fstream>
#include<queue>
#include<vector>
using namespace std;
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");
const int INF = 1000000000;
struct cuplu {
int id, cost;
};
struct nod {
int cost;
int cont;
vector<cuplu> vecini;
};
bool operator<(const cuplu &a, const cuplu &b) {
return a.cost > b.cost;
}
int n, m, i, a, b, c;
nod graf[50001];
priority_queue<cuplu> coada;
void dijkstra(int x) {
int j;
for(j = 0; j < graf[x].vecini.size(); j++) {
cuplu vecin = graf[x].vecini[j];
if(graf[x].cost + vecin.cost < graf[vecin.id].cost) {
cuplu aux;
aux.id = graf[x].vecini[j].id;
aux.cost = graf[x].cost + graf[x].vecini[j].cost;
coada.push(aux);
}
}
}
int main() {
fin >> n >> m;
cuplu aux;
for(i = 0; i < m; i++) {
fin >> a >> b >> c;
aux.id = b;
aux.cost = c;
graf[a].vecini.push_back(aux);
}
for(i = 2; i <= n; i++) {
graf[i].cost = INF;
}
aux.id = 1;
aux.cost = 0;
coada.push(aux);
while(!coada.empty()) {
aux = coada.top();
coada.pop();
graf[aux.id].cost = aux.cost;
graf[aux.id].cont++;
if(graf[aux.id].cont > n - 1) {
fout << "Ciclu negativ!";
return 0;
}
dijkstra(aux.id);
}
for(i = 2; i <= n; i++) {
fout << graf[i].cost << ' ';
}
fin.close();
fout.close();
return 0;
}