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#include<fstream>
#include<vector>
#include<queue>
using namespace std;
ifstream in("bellmanford.in");
ofstream out("bellmanford.out");
const int INFINIT = 200000000;
vector <int> v[50009];
vector <int> cost[50009];
queue<int> coada;
int viz[50009],c[50009],sol[50009],n,m,K;
int bmf(int start)
{
int aparitii[50009];
coada.push(start);
int i;
for(i = 1 ; i <= n ; i++){
sol[i] = INFINIT;
aparitii[i] = 0;
}
viz[start] = 1;
sol[1] = 0;
aparitii[start]++;
while(!coada.empty())
{
viz[coada.front()] = 0;
for(i = 0 ; i < v[coada.front()].size() ; i++)
{
if(sol[coada.front()] < INFINIT){
if(sol[v[coada.front()][i]] > sol[coada.front()] + cost[coada.front()][i]){
sol[v[coada.front()][i]] = sol[coada.front()] + cost[coada.front()][i];
if(viz[v[coada.front()][i]] == 0){
viz[v[coada.front()][i]] = 1;
if(aparitii[v[coada.front()][i]] > n)
return 0;
aparitii[v[coada.front()][i]]++;
coada.push(v[coada.front()][i]);
}
}
}
}
coada.pop();
}
return 1;
}
int main()
{
int i,x,y;
in>>n>>m;
for(i = 1 ; i <= m ; i++)
{
in>>x>>y>>K;
v[x].push_back(y);
cost[x].push_back(K);
}
if(bmf(1) == 0)
out<<"Ciclu negativ!";
else{
for(i = 2 ; i <= n ; i++)
out<<sol[i]<<" ";
}
return 0;
}