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#include <bits/stdc++.h>
using namespace std;
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");
int n,m,x,y,c,step;
int mn[50005];
int changed[50005];
vector<pair<int,int> >nod[50005];
queue<int>q;
bool verify()
{
int hm=q.size();
if(hm==0)return false;
for(int i=1;i<=hm;i++)
{
int pos=q.front();
q.pop();
for(int j=0;j<nod[pos].size();j++)
{
if(changed[nod[pos][j].first]==step)continue;
if(mn[nod[pos][j].first]<=mn[pos]+nod[pos][j].second)continue;
changed[nod[pos][j].first]=step;
mn[nod[pos][j].first]=mn[pos]+nod[pos][j].second;
q.push(nod[pos][j].first);
}
}
return true;
}
int main()
{
fin>>n>>m;
for(int i=1;i<=m;i++)
{
fin>>x>>y>>c;
nod[x].push_back({y,c});
}
for(int i=2;i<=n;i++)
mn[i]=INT_MAX;
q.push(1);
step=1;
while(verify() && step<n)
step++;
if(step==n)
{
fout<<"Ciclu negativ!";
return 0;
}
for(int i=2;i<=n;i++)
fout<<mn[i]<<" ";
return 0;
}