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#include <iostream>
#include <vector>
#include <queue>
#include <fstream>
#define inf (1<<30)
using namespace std;
int n, m, x;
struct nod{
int y, c;
}aux;
queue<int> q;
vector< vector<nod> > gf;
vector<int> dist, used;
bool bellman(int s)
{
dist[s] =0;
for(int i=2; i<=n; i++)
{
dist[i] = inf;
used[i] = 0;
}
q.push(s);
used[s]++;
while(!q.empty())
{
int x = q.front();
q.pop();
used[x]++;
if (used[x]>=n)
return false;
for(int i=0; i<gf[x].size(); i++)
{
nod vecin = gf[x][i];
if (dist[x] +vecin.c < dist[vecin.y])
{
q.push(vecin.y);
dist[vecin.y] = dist[x] +vecin.c;
}
}
}
return true;
}
int main()
{
ifstream f("bellmanford.in");
ofstream g("bellmanford.out");
f >> n >> m;
gf.resize(n+1);
dist.resize(n+1);
used.resize(n+1);
for(int i=1; i<=m; i++)
{
f >> x >> aux.y >> aux.c;
gf[x].push_back(aux);
}
if (!bellman(1)) g << "Ciclu negativ!";
else for(int i=2; i<=n; i++) g << dist[i] << " ";
f.close();
g.close();
return 0;
}