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#include <cstdio>
#include <vector>
#define N 50002
#define INF 2000000000
#include <deque>
using namespace std;
FILE *f,*g;
struct bla
{
int ve,co;
};
vector <bla> graph[N];
int d[N],fr[N],n,ok;
bool viz[N];
deque <int> q;
void bf(int nod)
{
d[nod]=0;
q.push_back(nod);
viz[nod]=1;
++fr[nod];
while(!q.empty())
{
nod=q.front();
q.pop_front();
viz[nod]=0;
for(int i=0;i<graph[nod].size();++i)
if(d[graph[nod][i].ve]>d[nod]+graph[nod][i].co)
{
d[graph[nod][i].ve]=d[nod]+graph[nod][i].co;
if(!viz[graph[nod][i].ve])
{
viz[graph[nod][i].ve]=1;
q.push_back(graph[nod][i].ve);
++fr[graph[nod][i].ve];
if(fr[graph[nod][i].ve]>n)
{
fprintf(g,"Ciclu negativ!");
ok=1;
return;
}
}
}
}
}
int main()
{
f=fopen("bellmanford.in","r");
g=fopen("bellmanford.out","w");
int m,x,y,z;
fscanf(f,"%d %d",&n,&m);
for(int i=1;i<=m;++i)
{
fscanf(f,"%d %d %d",&x,&y,&z);
graph[x].push_back({y,z});
}
for(int i=1;i<=n;++i)
d[i]=INF;
bf(1);
if(!ok)
for(int i=2;i<=n;++i)
fprintf(g,"%d ",d[i]);
fclose(f);
fclose(g);
return 0;
}