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