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#include <iostream>
#include <vector>
#include <fstream>
#include <deque>
#include <utility>
#include <queue>
using namespace std;
int n,m;
vector < vector < pair < int, int > > > lista_vecini;
vector < int > BellmanFord( int nod_pornire ){
vector < int > distante(n+1, 9999999);
vector < int > vizitat(n+1, 0);
vector < int > apartineCoada(n+1, 0);
queue < int > coada;
int faraNeg = 1;
coada.push(nod_pornire);
apartineCoada[nod_pornire] = 1;
distante[nod_pornire] = 0;
while( !coada.empty() && faraNeg ){
int x = coada.front();
coada.pop();
apartineCoada[x] = 0;
for( int i = 1; i < lista_vecini[x].size(); i++ ){
if( distante[x] + lista_vecini[x][i].second < distante[ lista_vecini[x][i].first ] ){
distante[ lista_vecini[x][i].first ] = distante[x] + lista_vecini[x][i].second; //relaxam
vizitat[ lista_vecini[x][i].first ]++;
if( !apartineCoada[ lista_vecini[x][i].first ] ){
coada.push(lista_vecini[x][i].first);
apartineCoada[lista_vecini[x][i].first] = 1;
}
if( vizitat[ lista_vecini[x][i].first ] >= n ){
faraNeg = 0;
}
}
}
}
if( faraNeg == 0 ){
vector < int > lista_goala;
return lista_goala;
}
return distante;
}
int main(){
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");
fin >> n >> m;
int intrare, iesire, cost;
vector < pair < int,int > > x(1,make_pair(-1,-1));
for( int i = 0; i <= n+1; i++ ){
lista_vecini.push_back(x);
}
for( int i = 0; i < m; i++ ){
fin >> intrare >> iesire >> cost;
lista_vecini[intrare].push_back(make_pair(iesire,cost));
}
vector < int > distante = BellmanFord(1);
if( distante.size() != 0 ){
for( int i = 2; i <= n; i++ ){
fout << distante[i] << " ";
}
}
else{
fout << "Ciclu negativ!";
}
return 0;
}