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#include <fstream>
#include <vector>
#include <queue>
#include <bitset>
#define f first
#define s second
#define DIM 50005
#define INF 250000000
using namespace std;
int n,m,dist[DIM];
vector<pair<int,int> > adj[DIM];
bitset<DIM> used;
bool isNegativeCycle() {
for(int i=2;i<=n;i++)
dist[i]=INF;
queue<int> q;
q.push(1);
used[1]=true;
while(!q.empty()) {
int u=q.front();
for(int i=0;i<adj[u].size();i++) {
if(dist[adj[u][i].f]>dist[u]+adj[u][i].s) {
dist[adj[u][i].f]=dist[u]+adj[u][i].s;
if(!used[adj[u][i].f]) {
used[adj[u][i].f]=true;
q.push(adj[u][i].f);
}
}
}
used[u]=false;
q.pop();
}
for(int i=1;i<=n;i++)
for(int j=0;j<adj[i].size();j++)
if(dist[i]+adj[i][j].s<dist[adj[i][j].f])
return true;
return false;
}
int main()
{
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");
fin>>n>>m;
int a,b,c;
for(int i=1;i<=m;i++) {
fin>>a>>b>>c;
adj[a].push_back({b,c});
}
if(isNegativeCycle())
fout<<"Ciclu negativ!";
else
for(int i=2;i<=n;i++)
fout<<dist[i]<<" ";
return 0;
}