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#include <fstream>
#include <queue>
#define NMAX 50002
#define INF 1e9
using namespace std;
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");
int n,m;
struct varf{int x,c;};
vector<varf> G[NMAX];
void bellman();
int start=1;
queue<int> C;
int cmin[NMAX];
int nr[NMAX];
bool circuitneg=0;
int main()
{
int i,a,b,cost;
fin>>n>>m;
for(i=1; i<=m; i++)
{
fin>>a>>b>>cost;
G[a].push_back({b,cost});
}
bellman();
if(circuitneg)
fout<<"Ciclu negativ!";
else
{
for(i=2; i<=n; i++)
fout<<cmin[i]<<' ';
}
return 0;
}
void bellman()
{
int i,vf,vecin,cost;
//initializare
for(i=1; i<=n; i++)
cmin[i]=INF;
C.push(start);
cmin[start]=0;
while(!C.empty() && !circuitneg)
{
vf=C.front();
C.pop();
for(i=0; i<G[vf].size(); i++)
{
vecin=G[vf][i].x;
cost=G[vf][i].c;
if(cmin[vecin]>cmin[vf]+cost)
{
cmin[vecin]=cmin[vf]+cost;
nr[vecin]++;
if(nr[vecin]==n) circuitneg=1;
C.push(vecin);
}
}
}
}