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#include <bits/stdc++.h>
using namespace std;
ifstream f("bellmanford.in");
ofstream g("bellmanford.out");
#define N 50005
#define INF 1 << 30
int n,m,d[N],k[N],i;
vector<pair<int,int> >G[N];
queue<int> q;
int main()
{
f>>n>>m;
for(i=1;i<=m;i++)
{
int a,b,c;
f>>a>>b>>c;
G[a].push_back({b,c});
}
for(i=1;i<=n;i++)d[i]=INF;
d[1]=0;
q.push(1);
while(!q.empty()){
int a=q.front();
q.pop();
k[a]++;
if(k[a]==n){
g<<"Ciclu negativ!";
return 0;
}
for(i=0;i<G[a].size();i++){
int b=G[a][i].first;
int c=G[a][i].second;
if(d[b]>d[a]+c){
d[b]=d[a]+c;
q.push(b);
}
}
}
for(i=2;i<=n;i++)
g<<d[i]<<" ";
}