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#include <bits/stdc++.h>
using namespace std;
const int MAXN = 5 * 1e4 + 15;
const int INF = 1e8;
struct edge{
int dest, cost;
};
vector <edge> g[MAXN];
queue <int> q;
int dist[MAXN], introduse[MAXN];
bool ok = true;
void bellman(int n){
q.push(1);
while(q.size()){
int node = q.front();
q.pop();
for(auto y : g[node]){
if(dist[y.dest] > dist[node] + y.cost){
dist[y.dest] = dist[node] + y.cost;
q.push(y.dest);
introduse[y.dest] ++;
if(introduse[y.dest] == n) {
while(q.size()) q.pop();
ok = false;
}
}
}
}
}
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");
int main(){
int n, m;
fin >> n >> m;
for(int i = 2; i < MAXN; ++i) dist[i] = INF;
for(int i = 1; i <= m; ++i){
int a, b, c;
fin >> a >> b >> c;
g[a].push_back({b, c});
}
bellman(n);
if(ok) for(int i = 2; i <= n; ++i) fout << dist[i] << " ";
else fout << "Ciclu negativ!";
return 0;
}