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#include<fstream>
#include<queue>
#include<vector>
#define inf 1<<30
#define N 51000
using namespace std;
ifstream f("bellmanford.in");
ofstream g("bellmanford.out");
vector<pair<int,int> > v[N];
int qu[N],viz[N],D[N],i,nod,des,cos,x,y,c,m,n;
queue<int> q;
int bellmanford()
{
q.push(1); viz[1]=qu[1]=1;
while(!q.empty())
{
nod=q.front();
q.pop();
qu[nod]=0;
for(i=0;i<v[nod].size();++i)
{
des=v[nod][i].first;
cos=v[nod][i].second;
if(D[nod]+cos<D[des])
{
D[des]=D[nod]+cos;
if(!qu[nod])
qu[nod]=1;
if(++viz[des]>n)
return 1;
q.push(des);
}
}
}
return 0;
}
int main ()
{
f>>n>>m;
for(i=1;i<=m;++i)
{
f>>x>>y>>c;
v[x].push_back(make_pair(y,c));
}
for(i=2;i<=n;++i)
D[i]=inf;
if(bellmanford())
g<<"Ciclu negativ!";
else
{
for(i=2;i<=n;++i)
g<<D[i]<<" ";
}
return 0;
}