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#include <bits/stdc++.h>
#define INF 10000001
using namespace std;
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");
int n,m,x,y,c;
vector<pair<int,int> >g[50001];
queue<int>q;
int d[50001],viz[50001],inq[50001];
int main(){
fin>>n>>m;
for(int i=1;i<=m;i++){
fin>>x>>y>>c;
g[x].push_back({y,c});
}
for(int i=1;i<=n;i++)d[i]=INF;
d[1]=0;
viz[1]=1;
inq[1]++;
q.push(1);
int ok=1;
while(!q.empty()&&ok){
int nod=q.front();
q.pop();
viz[nod]=0;
for(auto i:g[nod]){
int vecin=i.first;
int cost=i.second;
if(d[vecin]>d[nod]+cost){
d[vecin]=d[nod]+cost;
inq[vecin]++;
if(inq[vecin]>n){
ok=0;
}
if(!viz[vecin]){
viz[vecin]=1;
q.push(vecin);
}
}
}
}
if(ok==0)fout<<"Ciclu negativ!";
else{
for(int i=2;i<=n;i++)fout<<d[i]<<' ';
}
}