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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> pi;
#define pb push_back
#define mp make_pair
#define f first
#define s second
int n, m;
const int INF = 1e9;
vi d(50005, INF), cnt(50005);
vector<bool> in_queue(50005);
vector<vector<pi>> adj(50005);
queue<int> q;
void solve(){
cin >> n >> m;
for(int i = 0; i < m; i++){
int a, b, c;
cin >> a >> b >> c;
adj[a].pb({b, c});
}
d[1] = 0; q.push(1); in_queue[1] = 1;
bool negative_cycle = false;
while(!q.empty() && !negative_cycle){
int x = q.front();
q.pop();
in_queue[x] = 1;
for(int i = 0; i < adj[x].size(); i++){
if(d[adj[x][i].f] > d[x] + adj[x][i].s){
d[adj[x][i].f] = d[x] + adj[x][i].s;
if(!in_queue[adj[x][i].f]){
if(cnt[adj[x][i].f] > n)
negative_cycle = true;
else {
q.push(adj[x][i].f);
cnt[adj[x][i].f]++;
in_queue[adj[x][i].f] = 1;
}
}
}
}
}
if(negative_cycle){
cout << "Ciclu negativ!\n";
return;
}
for(int i = 2; i <= n; i++)
cout << d[i] << ' ';
cout << '\n';
}
int main(){
freopen("bellmanford.in", "r", stdin);
freopen("bellmanford.out", "w", stdout);
ios::sync_with_stdio(0); cin.tie(0);
int t = 1;
//cin >> t;
while(t--){
solve();
}
}