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#include <fstream>
#include <vector>
#include <queue>
#define NMAX 50000
#define INF 2000000000
using namespace std;
ifstream fi("bellmanford.in");
ofstream fo("bellmanford.out");
int n, m;
int DST[NMAX+5], updated[NMAX+5];
vector <pair <int, int> > G[NMAX+5];
queue <int> Q;
void citire(void)
{
int x, y, c;
fi>>n>>m;
for(int i=1; i<=m; i++)
{
fi>>x>>y>>c;
G[x].push_back({c, y});
}
}
void bellmanFord(void)
{
int nod, nods, cost;
for(int i=1; i<=n; i++)
DST[i]=INF;
DST[1]=0;
Q.push(1);
while(!Q.empty())
{
nod=Q.front();
Q.pop();
for(auto vec:G[nod])
{
nods=vec.second;
cost=vec.first;
if(DST[nods]>DST[nod]+cost)
{
DST[nods]=DST[nod]+cost;
updated[nods]++;
Q.push(nods);
if(updated[nods]>n-1)
return;
}
}
}
}
void afisare(void)
{
for(int i=1; i<=n; i++)
if(updated[i]>n-1)
{
fo<<"Ciclu negativ!";
return;
}
for(int i=2; i<=n; i++)
fo<<DST[i]<<" ";
}
int main()
{
citire();
bellmanFord();
afisare();
fi.close();
fo.close();
return 0;
}