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#include <fstream>
#include <queue>
#include <vector>
using namespace std;
using VI = vector<int>;
using PI = pair<int, int>;
using VP = vector<pair<int, int>>;
using VVP = vector<VP>;
constexpr int Inf = 0x3f3f3f3f;
int n, m;
VI d;
VVP G;
void Read();
bool BellmanFord(int x, vector<int>& d);
int main()
{
Read();
ofstream fout("bellmanford.out");
if (const bool hasNegativeCycles = BellmanFord(1, d); hasNegativeCycles)
{
fout << "Ciclu negativ!";
}
else
{
for (int i = 2; i <= n; i++)
{
fout << d[i] << ' ';
}
}
}
void Read()
{
ifstream fin("bellmanford.in");
fin >> n >> m;
G = VVP(n + 1);
int x, y, w;
for (int i = 0; i < m; ++i)
{
fin >> x >> y >> w;
G[x].emplace_back(y, w);
}
fin.close();
}
bool BellmanFord(int x, vector<int>& d)
{
queue<int> q;
vector<bool> inQueue(n + 1, false);
vector<int> cnt(n + 1, 0);
d = VI(n + 1, Inf);
d[x] = 0;
q.push(x);
inQueue[x] = true;
cnt[x] = 1;
while (!q.empty())
{
x = q.front();
q.pop();
inQueue[x] = false;
int y, w;
for (const auto& edge: G[x])
{
y = edge.first;
w = edge.second;
if (d[y] > d[x] + w)
{
d[y] = d[x] + w;
if (!inQueue[y])
{
q.push(y);
inQueue[y] = true;
cnt[y]++;
if (cnt[y] >= n)
return true;
}
}
}
}
return false;
}