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#include <algorithm>
#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
#define pii pair <int, int>
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)x.size()
#define pb push_back
#define fr first
#define sc second
#define vt vector
#define ub upper_bound
#define lb lower_bound
using namespace std;
string filename = "bellmanford";
ifstream fin(filename + ".in");
ofstream fout(filename + ".out");
const int NMAX = 5e4;
const int INF = 1e9;
int n, m;
vt <pii> adj[NMAX + 1];
bool inQ[NMAX + 1];
int f[NMAX + 1];
int dist[NMAX + 1];
void BF(int source){
for(int i = 1; i <= n; i++){
dist[i] = INF;
}
queue <int> Q;
Q.push(source);
dist[source] = 0;
inQ[source] = 1;
while(!Q.empty()){
int node = Q.front();
Q.pop();
inQ[node] = 0;
if(++f[node] > n){
fout << "Ciclu negativ!\n";
exit(0);
}
for(pii vec : adj[node]){
if(dist[node] + vec.sc < dist[vec.fr]){
dist[vec.fr] = dist[node] + vec.sc;
if(!inQ[vec.fr]){
Q.push(vec.fr);
}
}
}
}
}
int main(){
fin >> n >> m;
for(int i = 1; i <= m; i++){
int a, b, c;
fin >> a >> b >> c;
adj[a].pb({b, c});
}
BF(1);
for(int i = 2; i <= n; i++){
fout << dist[i] << ' ';
}
fout << '\n';
return 0;
}