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#include <bits/stdc++.h>
#define oo 2000000000
using namespace std;
/**
infoarena.ro/problema/bellmanford
cnt[i] numara de cate ori a fost pus in
coada nodul i.
daca cnt[i] > n, atunci exista cicluri
de cost negativ
viz[i] = 1, daca nodul i e in coada
0, daca nu e in coada
d[i] = costul minim al drumului de la 1 la i
*/
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");
/// nod cost
vector< pair<int, int> > L[50002];
int cnt[50002], viz[50002];
int d[50002], n, m;
queue<int> q;
void Citire()
{
int i, j, p, c;
fin >> n >> m;
for (p = 1; p <= m; p++)
{
fin >> i >> j >> c;
L[i].push_back({j, c});
}
}
void BellmanFord()
{
int i, k, c;
/// init:
for (i = 2; i <= n; i++)
d[i] = oo;
d[1] = 0;
q.push(1);
viz[1] = 1;
cnt[1]++;
while (!q.empty())
{
k = q.front();
q.pop();
viz[k] = 0;
for (auto e : L[k])
{
i = e.first;
c = e.second;
if (d[i] > d[k] + c)
{
d[i] = d[k] + c;
if (!viz[i])
{
viz[i] = 1;
q.push(i);
cnt[i]++;
if (cnt[i] > n)
{
fout << "Ciclu negativ!";
fout.close();
return;
}
}
}
}
}
for (i = 2; i <= n; i++)
fout << d[i] << " ";
}
int main()
{
Citire();
BellmanFord();
return 0;
}