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#include <bits/stdc++.h>
#define MAXN 50010
using namespace std;
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");
vector<pair<int, int> > v[MAXN];
queue<int> coada;
bitset<MAXN> in_coada;
int dist[MAXN], cnt_in_coada[MAXN];
int n,m,x,y,w;
int main()
{
fin>>n>>m;
for(int i=1;i<=m;i++)
{
fin>>x>>y>>w;
v[x].push_back(make_pair(y,w));
}
for(int i=1;i<=n;i++)
dist[i]=MAXN;
int cost, nod;
dist[1]=0;
coada.push(1);
in_coada[1] = 1;
bool negative;
while(!coada.empty() && !negative)
{
int top = coada.front();
coada.pop();
in_coada[top] = 0;
for(auto it:v[top])
{
nod = it.first;
cost = it.second;
if(dist[nod] > dist[top] + cost)
{
dist[nod] = dist[top] + cost;
if(!in_coada[nod])
{
if(cnt_in_coada[nod] > n)
{
negative = 1;
fout<<"Ciclu negativ!\n";
return 0;
}
else
{
coada.push(nod);
in_coada[nod] = 1;
cnt_in_coada[nod]++;
}
}
}
}
}
for(int i=2;i<=n;i++)
fout<<dist[i]<<" ";
return 0;
}