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#include <fstream>
#include <queue>
#include <vector>
#define inf 1001
using namespace std;
ifstream f("bellmanford.in");
ofstream g("bellmanford.out");
int n,m,d[50005],viz[50005];
bool ok;
vector < pair<int,int> > v[50001];
pair <int,int> elem;
queue <int> q;
void bf(int node)
{
q.push(node);
while(!q.empty())
{
node=q.front();
q.pop();
for(int i=0;i<v[node].size();++i)
{
if(viz[v[node][i].first]==node)
{
ok=1;
return;
}
if(d[node]+v[node][i].second<d[v[node][i].first])
{
d[v[node][i].first]=d[node]+v[node][i].second;
viz[v[node][i].first]+=1;
q.push(v[node][i].first);
}
}
}
}
int main()
{
f>>n>>m;
for(int i=1;i<=m;++i)
{
int a;
f>>a>>elem.first>>elem.second;
v[a].push_back(elem);
}
for(int i=2;i<=n;++i)
d[i]=inf;
bf(1);
if(ok)
g<<"Ciclu negativ!\n";
else
for(int i=2;i<=n;++i)
g<<d[i]<<' ';
return 0;
}