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#include <iostream>
#include <fstream>
#include <queue>
#include <vector>
using namespace std;
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");
#define nmax 50100
#define f first
#define s second
#define mp make_pair
#define inf 1000000000
priority_queue < pair <int,int>, vector < pair<int,int> >, greater < pair<int,int> > > h;
vector < pair <int,int > >v[nmax];
vector < pair <int,pair<int,int> > >edges;
int d[nmax];
int viz[nmax];
int n,m,i,a,b,cost,nod;
int main()
{
fin>>n>>m;
for(i=1; i<=m; ++i)
{
fin>>a>>b>>cost;
v[a].push_back(mp(cost,b));
edges.push_back(mp(a,mp(b,cost)));
}
for(i=2; i<=n; ++i)
d[i]=inf;
h.push(mp(0,1));
while(!h.empty())
{
nod=h.top().s;
h.pop();
for(i=0; i<v[nod].size(); ++i)
{
if(d[v[nod][i].s]>v[nod][i].f+d[nod] && !viz[v[nod][i].s])
{
if(d[v[nod][i].s]!=inf)
viz[nod]=1;
d[v[nod][i].s]=v[nod][i].f+d[nod];
h.push(mp(d[v[nod][i].s],v[nod][i].s));
}
}
}
for(i=0; i<m; ++i)
if(d[edges[i].f]+edges[i].s.s<d[edges[i].s.f])
{
cout<<"Ciclu negativ!";
return 0;
}
for(i=2; i<=n; ++i)
fout<<d[i]<<' ';
}