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#include <fstream>
#include <queue>
#include <vector>
#define NMAX 50002
#define INF 100000000
using namespace std;
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");
int n,start;
int cmin[NMAX];///cmin[x]=costul drmului de cost minim de la start la x
int nr[NMAX];///nr[x]=de cate ori a fost actualizat costul drumului
queue<int> C;
struct varf{int x;int c;};
vector<varf> G[NMAX];
void citire();
bool bellman_ford();
void afisare();
int main ()
{ int i;
citire();
if(!bellman_ford())
fout<<"Ciclu negativ!";
else
for(i=2;i<=n;i++)
if(cmin[i]==INF) fout<<-1<<' ';
else fout<<cmin[i]<<' ';
return 0;
}
void citire()
{ int k;
varf aux;
int i,j,c,m;
fin>>n>>m;
for(k=0;k<m;k++)
{
fin>>i>>j>>c;
aux.x=j; aux.c=c;
///j intra in lista de adiacenta a lui i
G[i].push_back(aux);
}
}
bool bellman_ford()
///returnam 0 daca nu exista solutie
///1 daca exista solutie
{ int i,vf;
///initializare
for(i=1;i<=n;i++) cmin[i]=INF;
cmin[start]=0;
C.push(start);
while(!C.empty())
{
vf=C.front();
C.pop();
///parcurg lista de adiacenta a lui vf
for(i=0;i<G[vf].size(); i++)
if(cmin[G[vf][i].x]>cmin[vf]+G[vf][i].c)
{
cmin[G[vf][i].x]=cmin[vf]+G[vf][i].c;
nr[G[vf][i].x]++;
if(nr[G[vf][i].x]==n) return 0;
C.push(G[vf][i].x);
}
}
return 1;
}