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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
#define nmax 50005
#define inf (1<<30)
using namespace std;
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");
int n, m;
int cost[nmax], used[nmax];
vector < pair<int, int> > v[nmax];
queue < pair<int, int> > Q;
void readData() {
int i, a, b, c;
fin >> n >> m;
for (i = 1; i <= m; i++) {
fin >> a >> b >> c;
v[a].push_back(make_pair(b, c));
}
for (i = 2; i <= n; i++)
cost[i] = inf;
}
void solve() {
int i;
// nod, cost
Q.push(make_pair(1, 0));
while (!Q.empty()) {
int nod = Q.front().first;
int costCurent = Q.front().second;
Q.pop();
for (i = 0; i < v[nod].size(); i++) {
int vecinCurent = v[nod][i].first;
int vecinCost = v[nod][i].second;
if (costCurent + vecinCost < cost[vecinCurent]){
cost[vecinCurent] = costCurent + vecinCost;
Q.push(make_pair(vecinCurent, cost[vecinCurent]));
used[vecinCurent]++;
if (used[vecinCurent] >= n) {
fout << "Ciclu negativ!\n";
return;
}
}
}
}
for (i = 2; i <= n; i++)
fout << cost[i] << " ";
fout << "\n";
}
int main() {
readData();
solve();
fin.close();
fout.close();
return 0;
}