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#include <bits/stdc++.h>
using namespace std;
class InParser {
private:
FILE *fin;
char *buff;
int sp;
char read_ch() {
++sp;
if (sp == 4096) {
sp = 0;
fread(buff, 1, 4096, fin);
}
return buff[sp];
}
public:
InParser(const char* nume) {
fin = fopen(nume, "r");
buff = new char[4096]();
sp = 4095;
}
InParser& operator >> (int &n) {
char c;
while (!isdigit(c = read_ch()) && c != '-');
int sgn = 1;
if (c == '-') {
n = 0;
sgn = -1;
} else {
n = c - '0';
}
while (isdigit(c = read_ch())) {
n = 10 * n + c - '0';
}
n *= sgn;
return *this;
}
};
int main() {
InParser cin("bellmanford.in");
ofstream cout("bellmanford.out");
int n, m; cin >> n >> m;
vector<vector<pair<int, int>>> graph(n);
for (int i = 0; i < m; ++i) {
int a, b, c; cin >> a >> b >> c; --a; --b;
graph[a].emplace_back(b, c);
}
vector<int> dist(n, 1e9), prev(n, -1),
q(n, -1), inq(n, false);
int b = 0, e = 0;
auto push = [&](int node, int d, int p) {
if (dist[node] <= d) return;
dist[node] = d;
prev[node] = p;
if (!inq[node]) {
q[e] = node;
if (++e == n)
e = 0;
}
inq[node] = true;
};
vector<int> deg(n), qc; qc.reserve(n);
auto has_cycle = [&]() {
fill(deg.begin(), deg.end(), 0);
for (int i = 0; i < n; ++i) {
if (prev[i] != -1)
deg[prev[i]] += 1;
}
qc.clear();
for (int i = 0; i < n; ++i)
if (deg[i] == 0)
qc.push_back(i);
for (int i = 0; i < (int)qc.size(); ++i) {
int node = qc[i];
if (prev[node] != -1 && --deg[prev[node]] == 0)
qc.push_back(prev[node]);
}
return (int)qc.size() < n;
};
push(0, 0, -1);
int iters = 0;
while (b != e) {
int node = q[b];
if (++b == n) b = 0;
inq[node] = false;
for (auto itr : graph[node]) {
int vec, cost; tie(vec, cost) = itr;
push(vec, cost + dist[node], node);
if ((++iters) % n == 0 && has_cycle()) {
cout << "Ciclu negativ!" << endl;
return 0;
}
}
}
for (int i = 1; i < n; ++i)
cout << dist[i] << " ";
cout << endl;
return 0;
}