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#include <iostream>
#include <vector>
#include <queue>
#include <climits>
#define inf INT_MAX/2
#include <fstream>
using namespace std;
ifstream fin ("bellmanford.in");
ofstream fout ("bellmanford.out");
vector < pair < int,int > > lv[50001];
vector < pair < int,int > >:: iterator ii;
queue <int> q;
int d[50001];
int isinq[500001];
int counter[50001];
int main()
{
int n, m;
int x,y,c;
fin>>n>>m;
for (int i=1;i<=m;i++)
{
fin>>x>>y>>c;
lv[x].push_back(make_pair(y,c));
}
for (int i=1;i<=n;i++)
d[i]=inf;
d[1]=0;
q.push(1);
isinq[1]++;
while (!q.empty())
{
x=q.front();
if (counter[x]>n)
break;
q.pop();
isinq[x]=0;
for (ii=lv[x].begin();ii!=lv[x].end();ii++)
if (d[x]+ii->second < d[ii->first])
{
d[ii->first]=d[x]+ii->second;
if (isinq[ii->first]==0)
{
q.push(ii->first);
isinq[ii->first]=1;
counter[ii->first]++;
}
}
}
if (!q.empty())
fout<<"Ciclu negativ!";
else
for (int i=2;i<=n;i++)
if (d[i]==inf)
fout<<"0 ";
else
fout<<d[i]<<" ";
return 0;
}