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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream f("bellmanford.in");
ofstream g("bellmanford.out");
const int oo = 1e9;
int n, m;
vector <vector <pair <int, int> > > v;
vector <int> d, cnt;
vector <bool> inQueue;
queue <int> q;
void init() {
v = vector <vector <pair <int, int> > > (n + 1);
inQueue = vector <bool> (n + 1);
cnt = vector <int> (n + 1);
d = vector <int> (n + 1, oo);
}
bool bellmanford() {
inQueue[1] = true;
d[1] = 0;
q.push(1);
int node, otherNode, dist;
while(!q.empty()) {
node = q.front();
q.pop();
cnt[node] ++;
if(cnt[node] >= n)
return false;
inQueue[node] = false;
for(const auto& p : v[node]) {
otherNode = p.first;
dist = p.second;
if(dist + d[node] < d[otherNode]) {
d[otherNode] = dist + d[node];
if(!inQueue[otherNode]) {
inQueue[otherNode] = true;
q.push(otherNode);
}
}
}
}
return true;
}
void read() {
f >> n >> m;
init();
int x, y, c;
while(m--) {
f >> x >> y >> c;
v[x].push_back({y, c});
//v[y].push_back({x, c});
}
}
int main()
{
read();
if(bellmanford()) {
for(int i = 2; i <= n; ++i)
g << d[i] << " ";
}
else g << "Ciclu negativ!";
}