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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");
int n, m, p, dist[100001], viz[100001];
vector<pair<int, int>> gf[100001];
queue<pair<int, int>> q;
const int INF = 2e9;
int iq[100001]; // numara de cate ori apare un nod in coada
int bellman_ford(int start) {
dist[start] = 0;
q.push({ dist[start], start });
viz[start] = 1;
while (!q.empty()) {
int nod = q.front().second; // nod e din coada
q.pop();
viz[nod] = 0;
for (auto vecin : gf[nod]) {
int costnou = vecin.first; // nodnou si costnou sunt din graf
int nodnou = vecin.second;
if (dist[nodnou] > dist[nod] + costnou) {
dist[nodnou] = dist[nod] + costnou;
if (!viz[nodnou]) {
iq[nodnou]++;
if (iq[nodnou] > n) {
return 0;
}
viz[nodnou] = 1;
q.push({ dist[nodnou], nodnou });
}
}
}
}
return 1;
}
int main()
{
fin >> n >> m;
for (int i = 1; i <= m; i++) {
int x, y, c;
fin >> x >> y >> c;
gf[x].push_back({ c, y });
}
for (int i = 0; i <= n + 1; i++)
dist[i] = INF;
if (bellman_ford(1))
for (int i = 2; i <= n; i++)
fout << dist[i] << " ";
else
fout << "Ciclu negativ!";
return 0;
}