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#include <fstream>
#include <queue>
#include <vector>
#include <climits>
using namespace std;
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");
int n,m,x,y,c;
int d[50001],viz[50001],ating[50001];
struct muchie{
int y,c;
};
vector<muchie>a[250001];
queue<int>q;
int main()
{
fin>>n>>m;
for(int i=1;i<=m;i++){
fin>>x>>y>>c;
a[x].push_back({y,c});
}
for(int i=2;i<=n;i++)
d[i]=INT_MAX;
viz[1]=1;
q.push(1);
ating[1]=1;
while(!q.empty()){
int k=q.front();
q.pop();
viz[k]=0;
for(auto nod:a[k]){
int vecin=nod.y, cost=nod.c;
if(d[vecin]>d[k]+cost){
d[vecin]=d[k]+cost;
if(viz[vecin]==0){
viz[vecin]=1;
q.push(vecin);
}
ating[vecin]++;
if(ating[vecin]==n)
{
fout<<"Ciclu negativ!"<<"\n";
return 0;
}
}
}
}
for(int i=2;i<=n;i++)
fout<<d[i]<<" ";
return 0;
}