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#include <fstream>
#include <vector>
#include<queue>
#define NMAX 50004
#define INF 1e9
using namespace std;
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");
int n, x0=1,rez;
struct varf {
int x;
int c;
};
vector <varf> G[NMAX];///liste de adicaneta cu costuri
bool uz[NMAX];
int cmin[NMAX];
int pre[NMAX];
int nr[NMAX];///nr[i] numarul de drumuri de cost minim de la x0 la i
queue<int> C;
void citire();
bool bellmanford();
void afisare();
int main()
{
citire();
rez=bellmanford();
afisare();
return 0;
}
void citire() {
int i,j,c,m;
varf aux;
fin>>n>>m;
while(fin>>i>>j>>c)
{
///in lista de adicaneta a lui i trebuie sa adaug (j,c)
aux.x=j; aux.c=c;
G[i].push_back(aux);
}
for(i=1;i<=n;i++)
cmin[i]=INF;
cmin[x0]=0;
}
bool bellmanford()
///returneaza 0 daca exista circuite de cost negativ, 1 altfel
{
int x,vf,cost,i;
///initializez coada cu varful de start
C.push(x0);
nr[x0]=1;
while(!C.empty())
{
x=C.front(); C.pop();
///parcurg lista de adaincenta lui x
for(i=0;i<G[x].size();i++)
{
vf=G[x][i].x; cost=G[x][i].c;
if(cmin[vf]>cmin[x]+cost)
{
cmin[vf]=cmin[x]+cost;
C.push(vf);
nr[vf]++;
if(nr[vf]==n) return 0;
}
}
}
return 1;
}
void afisare()
{
if(rez==0) fout<<"Ciclu negativ!";
else
for(int i=2;i<=n;i++)
{
fout<<cmin[i]<<' ';
}
}