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#include <bits/stdc++.h>
using namespace std;
vector<pair<int,int>>graph[50005];
int distanta[50005]; ///graphanta de la 1
int no0fNodes[50005];
bool isInQueue[50005];
void bellman_ford(int inceput, int n)
{
for(int i=1; i<=n; i++)
distanta[i]=1e9, isInQueue[i]=0;
queue<int>q;
distanta[inceput]=0;
no0fNodes[inceput]=1;
q.push(inceput);
isInQueue[inceput]=1;
while(!q.empty())
{
int nod=q.front();
q.pop();
isInQueue[nod]=0;
if (no0fNodes[nod] > n) { /// ciclu infinit, distanta scade infinit
cout << "Ciclu negativ!";
exit(0); /// termina programul
}
for(auto x: graph[nod])
if(distanta[x.first]>distanta[nod]+x.second)
{
distanta[x.first]=distanta[nod]+x.second;
no0fNodes[x.first]=no0fNodes[nod]+1;
if(!isInQueue[x.first])
{
q.push(x.first);
isInQueue[x.first]=1;
}
}
}
}
int main()
{
freopen("bellmanford.in", "r", stdin);
freopen("bellmanford.out", "w", stdout);
int n,m,a,b,d;
cin>>n>>m;
for(int i=1; i<=m; i++)
{
cin>>a>>b>>d;
graph[a].push_back({b,d});
}
int inceput=1;
bellman_ford(inceput,n);
for(int i=2; i<=n; i++)
cout<<distanta[i]<<" ";
return 0;
}