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#include <iostream>
#include <vector>
#include <fstream>
using namespace std;
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");
int n, m, ok;
const int nmax = 50005, val_mare = 50000000;
vector<pair<int, int> > list_vec[nmax];
int dist[nmax];
struct muchie
{
int u, v, c;
};
muchie MC[250005];
void bellman()
{
int i, j;
for(i = 2; i <= n; ++i)
dist[i] = val_mare;
//dist[start] = 0;
for(i = 1; i < n; ++i)
{
ok = 0;
for(j = 1; j <= m; ++j)
{
if(dist[MC[j].v] > dist[MC[j].u] + MC[j].c)
{
ok = 1;
dist[MC[j].v] = dist[MC[j].u] + MC[j].c;
}
}
if(!ok)
{
for(int w = 2; w <= n; ++w)
fout<<dist[w]<<' ';
}
}
for(j = 1; j <= m; ++j)
{
if(dist[MC[j].v] > dist[MC[j].u] + MC[j].c)
{
fout<<"Ciclu negativ!";
return;
}
}
for(i = 2; i <= n; ++i)
fout<<dist[i]<<' ';
}
int main()
{
int u, v, c, i;
fin>>n>>m;
for(i = 1; i <= m; ++i)
fin>>MC[i].u>>MC[i].v>>MC[i].c;
bellman();
return 0;
}