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#include <fstream>
#include <queue>
#define MAXN 50005
#define INF 100000000
using namespace std;
ifstream fi("bellmanford.in");
ofstream fo("bellmanford.out");
int n,m;
int dist[MAXN],viz[MAXN];
queue <int> Q;
vector < pair<int,int> > G[MAXN];
bool coada[MAXN];
int main()
{
fi>>n>>m;
for (int i=1; i<=m; i++)
{
int u,v,c;
fi>>u>>v>>c;
G[u].push_back(make_pair(v,c));
}
for (int i=2; i<=n; i++)
dist[i]=INF;
Q.push(1);
coada[1]=1;
while (!Q.empty())
{
int nod=Q.front();
coada[nod]=0;
Q.pop();
for (auto copil: G[nod])
{
if (dist[nod]+copil.second<dist[copil.first])
{
if (viz[copil.first]>n)
{
fo<<"Ciclu negativ!";
fi.close();
fo.close();
return 0;
}
dist[copil.first]=dist[nod]+copil.second;
if (!coada[copil.first])
{
Q.push(copil.first);
coada[copil.first]=1;
viz[copil.first]++;
}
}
}
}
for (int i=2; i<=n; i++)
fo<<dist[i]<<" ";
fi.close();
fo.close();
return 0;
}