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Cod sursa(job #272166)
#include<fstream.h>
#define max 50000
ifstream fin("dijkstra.in");
ofstream fout("dijkstra.out");
long n,m,d[max];
struct nod{int x,y,c;
};
nod g[max];
void bellman()
{int i,j;
for(i=1;i<n;i++)
for(j=1;j<=m;j++)
if(d[g[j].y]>d[g[j].x]+g[j].c)
d[g[j].y]=d[g[j].x]+g[j].c;
}
void init()
{int i,j;
fin>>n>>m;
for(i=1;i<=m;i++)
fin>>g[i].x>>g[i].y>>g[i].c;
for(i=1;i<=n;i++)
d[i]=max;
}
int main()
{int i;
init();
d[1]=0;
bellman();
for(i=1;i<=m;i++)
if(d[g[i].x]+g[i].c<d[g[i].y])
{fout<<"gr contine cicluri de cost negativ";
fout<<"\n";
}
for(i=1;i<=n;i++)
if(d[i]<max && d[i]) fout<<d[i]<<" ";
fout<<"\n";
fin.close();
fout.close();
return 0;
}