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#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>
#include <queue>
#include <climits>
using namespace std;
// #define DEBUG 1
// #if DEBUG
// std::ifstream fin("_input.txt");
// #else
// #define fin std::cin
// #endif
const int nmax = 50010;
const int inf = INT_MAX;
int n,m;
vector<vector<pair<int,int>>>graf(nmax);
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");
bool BellmanFord(int nod_start,vector<vector<pair<int,int>>>&graf,vector<int>&dist)
{
queue<int>q;
vector<bool>viz(n,false);
vector<int>fr(n,0);
dist[nod_start] = 0;
q.push(nod_start);
viz[nod_start] = 1;
while(!q.empty())
{
int el = q.front();
q.pop();
viz[el] = false;
fr[el]++;
if(fr[el] > n)
return 0;
for(auto i : graf[el])
{
int vecin = i.first;
int cost = i.second;
if(dist[el] + cost < dist[vecin])
{
dist[vecin] = dist[el] + cost;
if(viz[vecin] == false)
{
viz[vecin] == 1;
q.push(vecin);
}
}
}
}
return 1;
}
int main()
{
fin>>n>>m;
for(int i = 1;i <= m;i++)
{
int muchie1,muchie2,cost;
fin>>muchie1>>muchie2>>cost;
muchie1--;
muchie2--;
graf[muchie1].emplace_back(make_pair(muchie2,cost));
}
vector<int>dist(n,inf);
if(BellmanFord(0,graf,dist) == 0)
fout<<"Ciclu negativ!";
else
for(int i = 1;i < n;i++)
fout<<dist[i]<<" ";
}