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#include <fstream>
#include <queue>
#include <vector>
#define NMAX 50002
#define INF 1000000000
using namespace std;
ifstream fin ("bellmanford.in");
ofstream fout ("bellmanford.out");
int n, m, start=1;
struct varf{int x; int c;};
vector <varf> G[NMAX];
int cmin[NMAX];/// cmin[x]= costul drimului de cost minim de la start la x
int nr[NMAX];/// de cate ori a fost actualizat costul druului de la start la x
int d[NMAX];
queue<int> C;
void citire();
bool bellman_ford();
void afisare();
int main()
{
int i;
citire();
bellman_ford();
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 i,j,c, k;
varf aux;
fin>>n>>m;
for(k=0; k<m; k++)
{
fin>>i>>j>>c;
aux.x=j; aux.c=c;
G[i].push_back(aux);
}
//initializez
}
bool bellman_ford()
///returnam 0 daca nu exista sol. 1 daca exista
{
///intializare
int i, vf;
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 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;
}