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#include <bits/stdc++.h>
#define N 50005
#define oo 0x3f3f3f3f
using namespace std;
ifstream f("bellmanford.in");
ofstream g("bellmanford.out");
int n, m;
vector<pair<int, int>> graf[N];
int nr[N];
bool viz[N];
int dp[N];
void read() {
f>>n>>m;
int x, y, z;
for(int i = 1;i <= m;++i) {
f>>x>>y>>z;
graf[x].push_back(make_pair(y, z));
}
}
void solve() {
queue<int> q;
q.push(1);
memset(viz, false, sizeof(viz));
memset(dp, oo, sizeof(dp));
viz[1] = true;
dp[1] = 0;
while(!q.empty()) {
int node = q.front();
for(const auto& pr : graf[node]) {
if(dp[pr.first] > dp[node] + pr.second) {
if(!viz[pr.first]) {
q.push(pr.first);
}
viz[pr.first] = true;
dp[pr.first] = dp[node] + pr.second;
nr[pr.first]++;
if(nr[pr.first] >= n) {
g<<"Ciclu negativ!";
return;
}
}
}
q.pop();
viz[node] = false;
}
for(int i = 2;i <= n;++i) {
g<<dp[i]<<" ";
}
}
int main() {
read();
solve();
return 0;
}