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#include <fstream>
#include <algorithm>
#include <vector>
#include <queue>
#include <set>
#include <bitset>
#include <string>
#include <cstring>
#include <cmath>
#include <climits>
using namespace std;
ifstream cin("bellmanford.in");
ofstream cout("bellmanford.out");
typedef unsigned long long ull;
const int sze = 5e4;
const int oo = 1e4;
int n, m;
class vec {
public:
int nod1, nod2, cost;
};
vector<vec> v;
int D[sze + 1];
bool BellmanFord(int st) {
for (int i = 1; i <= n; ++i) D[i] = oo;
D[st] = 0;
bool ok = true;
for (int i = 1; i < n && ok; ++i) {
ok = false;
for (auto k : v) {
if (D[k.nod2] > D[k.nod1] + k.cost) {
D[k.nod2] = D[k.nod1] + k.cost;
ok = true;
}
}
}
for (auto k : v) {
if (D[k.nod2] > D[k.nod1] + k.cost) {
return true;
}
}
return false;
}
int main() {
cin >> n >> m;
int a, b, c;
while (m--) {
cin >> a >> b >> c;
v.push_back({ a, b, c });
}
if (BellmanFord(1)) cout << "Ciclu negativ!";
else {
for (int i = 2; i <= n; ++i) cout << D[i] << " ";
}
return 0;
}