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#include <iostream>
#include <fstream>
#include <bits/stdc++.h>
using namespace std;
ifstream f("bellmanford.in");
ofstream g("bellmanford.out");
const int Nmax = 50010;
const int Mmax = 250010;
const long long Valmax = 10000000000;
typedef pair<long long, int> value_pair;
class Compare{
public:
bool operator()(value_pair a, value_pair b){
return a.first > b.first;
}
};
int N,M,a[Mmax],b[Mmax],c[Mmax];
vector<pair<int,int> > v[Nmax];
long long dist[Nmax];
priority_queue<value_pair, vector<value_pair>, Compare> q;
int main()
{
f>>N>>M;
for(int i=1;i<=M;i++){
f>>a[i]>>b[i]>>c[i];
v[a[i]].push_back({b[i], c[i]});
}
memset(dist, 127, sizeof(dist));
dist[1] = 0;
bool keep_going = true;
for(int i=1;i<=N&&keep_going;i++){
keep_going = false;
for(int j=1;j<=M;j++)
if(dist[b[j]] > dist[a[j]] + c[j]){
dist[b[j]] = dist[a[j]] + c[j];
keep_going = true;
}
}
bool negative_cycle_found = false;
for(int j=1;j<=M;j++)
if(dist[b[j]] > dist[a[j]] + c[j])
negative_cycle_found = true;
if(negative_cycle_found)
g<<"Ciclu negativ!";
else{
for(int i=2;i<=N;i++)
if(dist[i] > Valmax)
g<<"0 ";
else
g<<dist[i]<<' ';
}
return 0;
}