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using namespace std;
#include<iostream>
#include<fstream>
#include<vector>
#include<queue>
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");
#define NMAX 50005
#define INF 1e9
struct arc{
int vf, c;
};
vector<arc> G[NMAX];
int cmin[NMAX], nr[NMAX], start = 1;
bool circuitneg;
int n, m;
queue<int> Q;
int main() {
fin >> n >> m;
for (int i = 1; i<=m; i++) {
int x, y, cost;
fin >> x >> y >> cost;
arc A = {y, cost};
G[x].push_back(A);
}
for (int i = 1; i<=n; i++) {
cmin[i] = INF;
}
cmin[start] = 0;
Q.push(start);
while (!Q.empty() && !circuitneg) {
int x = Q.front();
Q.pop();
for (unsigned int i = 0; i<G[x].size(); i++) {
int y = G[x][i].vf, cost = G[x][i].c;
if (cmin[y] > cmin[x] + cost) {
cmin[y] = cmin[x] + cost;
nr[y]++;
if (nr[y] == n) circuitneg = 1;
else Q.push(y);
}
}
}
if (circuitneg) {
fout << "Ciclu negativ!";
} else {
for (int i = 2; i<=n; i++) {
fout << cmin[i] << " ";
}
}
return 0;
}