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#include<bits/stdc++.h>
#define infinit (1<<30)
using namespace std;
ifstream f("bellmanford.in");
ofstream g("bellmanford.out");
int n,m,viz[50005],d[50005];
bool einq[50005];
struct nod
{
int x,c;
};
vector <nod> v[50005];
queue <int> q;
int bellmanford(int x)
{
q.push(x);
viz[x]=1;
d[x]=0;
einq[x]=1;
while(!q.empty())
{
x=q.front();
q.pop();
einq[x]=0;
for(int i=0;i<v[x].size();i++)
{
int y=v[x][i].x;
if(d[y]>d[x]+v[x][i].c)
{
d[y]=d[x]+v[x][i].c;
viz[y]++;
if(viz[y]>=n-1)
return 0;
if(!einq[y])
{
q.push(y);
einq[y]=1;
}
}
}
}
return 1;
}
int main()
{
f>>n>>m;
int x,y,c;
for(int i=1;i<=m;i++)
{
f>>x>>y>>c;
v[x].push_back({y,c});
}
for(int i=1;i<=n;i++)
d[i]=infinit;
if(bellmanford(1)==0)
g<<"Ciclu negativ!";
else
for(int i=2;i<=n;i++)
g<<d[i]<<" ";
return 0;
}