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#include<fstream>
#include<algorithm>
#include<vector>
#include<queue>
using namespace std;
ifstream f("bellmanford.in");
ofstream g("bellmanford.out");
queue<int> q;
vector<pair<int,int> > v[50010];
pair<int,int> per1,per2;
int n,m,a,b,i,c,viz[50010],dist[50010],d1,n1,n2,d2;
int main()
{
f>>n>>m;
for(i=1;i<=n;i++)
dist[i]=1000000000;
for(i=1;i<=m;i++)
{
f>>a>>b>>c;
v[a].push_back(pair<int,int>(b,c));
}
dist[1]=0;
q.push(1);
while(!q.empty())
{
n1=q.front();
q.pop();
viz[n1]++;
if(viz[n1]==n)
{
g<<"Ciclu negativ!"<<'\n';
return 0;
}
for(vector<pair<int,int> >::iterator it=v[n1].begin();it!=v[n1].end();it++)
{
per2=*it;
n2=per2.first;
d2=per2.second;
if(dist[n2]>dist[n1]+d2)
{
dist[n2]=dist[n1]+d2;
q.push(n2);
}
}
}
for(i=2;i<=n;i++)
{
g<<dist[i]<<' ';
}
g<<'\n';
return 0;
}