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#include <fstream>
#include <queue>
#include <vector>
#define DIM 50002
#define INF 1e9
#define ff first
#define ss second
using namespace std;
ifstream f("bellmanford.in");
ofstream g("bellmanford.out");
int n, m, viz[DIM], sol[DIM], F[DIM], x, y, c;
vector <pair<int, int> > graf[DIM];
queue <int> q;
bool bf(){
for(int i = 2; i <= n; ++ i)
sol[i] = INF;
q.push(1);
F[1] = 1;
viz[1] = 1;
while(!q.empty()){
int nodc = q.front();
for(int i = 0; i < graf[nodc].size(); ++ i){
int nodv = graf[nodc][i].ff;
int cost = graf[nodc][i].ss;
if(sol[nodc] + cost < sol[nodv]){
sol[nodv] = sol[nodc] + cost;
++ F[nodv];
if(F[nodv] == n)
return 1;
if(!viz[nodv]){
q.push(nodv);
viz[nodv] = 1;
}
}
}
q.pop();
viz[nodc] = 0;
}
return 0;
}
int main()
{
f>>n>>m;
for(int i = 1; i <= m; ++ i){
f>>x>>y>>c;
graf[x].push_back(make_pair(y, c));
}
if(bf()){
g<<"Ciclu negativ!";
return 0;
}
for(int i = 2; i <= n; ++ i)
g<<sol[i]<<" ";
return 0;
}