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#include <bits/stdc++.h>
#define nmax 50001
#define mmax 250001
#define pb push_back
using namespace std;
ifstream f("bellmanford.in");
ofstream g("bellmanford.out");
int viz[nmax],nod,cost,x,cerinta,max1,n,m,i,d[nmax],y,c;
vector <pair <int,int> >v[nmax];
int ciclu,fr[nmax],nod2;
bool in_queue[nmax];
queue <int>q;
int main()
{
f>>n>>m;
for(i=1; i<=m; i++)
{
f>>x>>y>>c;
v[x].pb({y,c});
}
ciclu=0;
for(i=1; i<=n; i++)
d[i]=1<<30;
d[1]=0;
fr[1]++;
in_queue[1]=1;
q.push(1);
while(!q.empty()&&!ciclu)
{
nod=q.front();
q.pop();
in_queue[nod]=0;
for(i=0; i<v[nod].size(); i++)
{
nod2=v[nod][i].first;
cost=v[nod][i].second;
if(d[nod2]>d[nod]+cost)
{
d[nod2]=d[nod]+cost;
if(fr[nod2]>n)
ciclu=1;
else
{
q.push(nod2);
in_queue[nod2]=1;
fr[nod2]++;
}
}
}
}
if(ciclu==0)
{
for(i=2; i<=n; i++)
g<<d[i]<<" ";
}
else
g<<"Ciclu negativ!";
return 0;
}