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#include <iostream>
#include <fstream>
#include <queue>
#include <vector>
#define DM 50005
#define INF 0x3f3f3f3f
using namespace std;
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");
int n, m, dist[DM], viz[DM], a, b ,c;
queue <int> q;
vector < pair<int, int> > g[DM];
void bellmanford()
{
for(int i = 2; i <= n; i++)
dist[i] = INF;
q.push(1);
while(!q.empty())
{
int nod = q.front();
q.pop();
for(auto it : g[nod])
if(dist[nod] + it.second < dist[it.first])
{
dist[it.first] = dist[nod] + it.second ;
q.push(it.first);
viz[it.first]++;
if(viz[it.first] > n)
{
fout << "Ciclu negativ!";
return;
}
}
}
for(int i = 2; i <= n; i++)
fout << dist[i] << ' ';
}
int main ()
{
fin >> n >> m;
for(int i = 1; i <= m; i++)
{
fin >> a >> b >> c;
g[a].push_back({b, c});
}
bellmanford();
return 0;
}