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#include <fstream>
#include <vector>
#include <climits>
#define INF INT_MAX
using namespace std;
struct arc {int y, c;};
int viz[50005];
int main() {
int d[50005], n, m, i, j, ok, x;
vector<arc> v[50005];
arc z;
ifstream in ("bellmanford.in");
in >> n >> m;
z.y = z.c = 0;
v[0].push_back(z);
for (i = 1; i <= m; i++) {
in >> x >> z.y >> z.c;
v[x].push_back(z);
}
in.close ();
for (i = 1; i <= n; i++)
d[i] = INF;
d[1] = 0;
for (i = 1; i <= n; i++) {
ok = 0;
for (j = 1; j <= n; j++)
if (d[j] != INF && !viz[j]) {
for (vector<arc>::iterator it = v[j].begin(); it != v[j].end(); it++) {
arc jt = *it;
if (d[jt.y] > d[j] + jt.c) {
d[jt.y] = d[j] + jt.c;
ok = 1;
}
}
if (!ok)
viz[j] = 1;
}
}
ofstream out("bellmanford.out");
if (ok)
out << "Ciclu negativ!";
else for (i = 2; i <= n; i++)
out << d[i] << ' ';
out.close();
return 0;
}