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#include <fstream>
#define nmax 5001
#define inf 1e9
#include <vector>
#include <queue>
using namespace std;
ifstream f("dijkstra.in");
ofstream g("dijkstra.out");
vector <pair<int,int> > v[nmax];
priority_queue<pair<int,int>,vector<pair<int,int> >,greater<pair<int,int> > >h;
int d[nmax],n,m,a,b,c,nod,w[nmax],i;
int main()
{
f>>n>>m;
for(i=1;i<=m;i++)
{
f>>a>>b>>c;
v[a].push_back(make_pair(c,b));
}
for(i=1;i<=n;i++) d[i]=inf;
d[1]=0;
h.push(make_pair(0,1));
while(!h.empty())
{
nod=h.top().second;
h.pop();
for(i=0;i<v[nod].size();i++)
{
if(d[nod]+v[nod][i].first<d[v[nod][i].second])
{
w[v[nod][i].second]++;
d[v[nod][i].second]=d[nod]+v[nod][i].first;
h.push(make_pair(d[v[nod][i].second],v[nod][i].second));
if(w[v[nod][i].second]==n)
{
g<<"Ciclu negativ!";
return 0;
}
}
}
}
for(i=2;i<=n;i++) g<<d[i]<<' ';
return 0;
}