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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
#define nmax 50005
#define inf (1<<30)
using namespace std;
struct nod{
int y, cost;
} aux;
int n, m, x, y, c;
vector< vector <nod> > gf;
vector<int> dist, used;
queue<int> q;
vector<bool> inq;
bool bellman(int s)
{
q.push(s);
inq[s] = true;
dist[s] = 0;
used[s]++;
int x, vecin, cost;
while (!q.empty())
{
x = q.front();
q.pop();
inq[x] = false;
for(int i=0; i<gf[x].size(); i++)
{
vecin = gf[x][i].y;
cost = gf[x][i].cost;
if (dist[x] + cost < dist[vecin])
{
dist[vecin] = dist[x] + cost;
if(!inq[vecin]){
q.push(vecin);
inq[vecin]=true;
}
used[vecin]++;
if (used[vecin] > n)
{
return false;
}
}
}
}
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);
inq.resize(n+1);
for(int i=1; i<=n; i++)
{
dist[i] = inf;
used[i] = 0;
inq[i] =false;
}
for(int i=1; i<=m; i++)
{
f >> x >> y >> c;
aux.y = y;
aux.cost = c;
gf[x].push_back(aux);
}
if (!bellman(1))
{
g << "Ciclu negativ!";
return 0;
}
for(int i=2; i<=n; i++)
{
if (dist[i]<inf)
g << dist[i] << " ";
else
g << "0 ";
}
f.close();
g.close();
return 0;
}