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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
const int max = 1 << 30;
struct muchie {
int destinatie;
int valoare;
};
std::vector<muchie> noduri[50001];
int distanta[50001];
bool iiGata[50001];
int ciclu[50001];
int main() {
std::ifstream f("bellmanford.in");
int n, m;
f >> n >> m;
int x, y, c;
for (int i=0; i<m; ++i) {
f >> x >> y >> c;
muchie m; m.destinatie=y; m.valoare=c;
noduri[x].push_back(m);
}
// for (int i=1; i<=n; ++i) {
// std::cout << i << "\n\t";
// for (int j=0; j<noduri[i].size(); ++j) {
// std::cout << noduri[i][j].destinatie << " ";
// }
// std::cout << "\n";
// }
for (int i=2; i<=n; ++i) {
distanta[i] = max;
}
std::ofstream g("bellmanford.out");
std::queue<int> lista;
lista.push(1);
distanta[1] = 0;
while (!lista.empty()) {
int x = lista.front();
lista.pop();
iiGata[x] = 0;
for (int i=0; i<noduri[x].size(); ++i) {
int drum = distanta[x] + noduri[x][i].valoare;
if (drum < distanta[noduri[x][i].destinatie]) {
distanta[noduri[x][i].destinatie] = drum;
if (!iiGata[noduri[x][i].destinatie]) {
iiGata[noduri[x][i].destinatie] = 1;
lista.push(noduri[x][i].destinatie);
++ciclu[noduri[x][i].destinatie];
if (ciclu[noduri[x][i].destinatie] > n) {
g << "Ciclu negativ!";
return 0;
}
}
}
}
}
for (int i=2; i<=n; ++i) {
if (distanta[i] != max) g << distanta[i] << " ";
else g << "0 ";
}
return 0;
}