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#include <fstream>
#include <vector>
#include <algorithm>
#include <climits>
#include <queue>
#define NMAX 50100
#define INF INT_MAX
using namespace std;
ifstream f("bellmanford.in");
ofstream g("bellmanford.out");
vector<int> G[NMAX],C[NMAX];
queue<int> coada;
int n,m,d[NMAX],viz[NMAX],t[NMAX];
void citire(){
f>>n>>m;
int i,x,y,z;
for(i=1;i<=m;i++){
f>>x>>y>>z;
G[x].push_back(y);
C[x].push_back(z);
}
}
void bellman_ford(){
int i,j,k;
d[1]=0;
for(i=2;i<=n;i++)
d[i]=INF;
coada.push(1);
viz[1]=1;
t[1]++;
while(!coada.empty()){
int varf=coada.front();
viz[varf]=0;
coada.pop();
for(i=0;i<G[varf].size();i++){
if(d[G[varf][i]]>d[varf]+C[varf][i]){
d[G[varf][i]]=d[varf]+C[varf][i];
if(viz[G[varf][i]]==0){
if(t[G[varf][i]]>n){
g<<"Ciclu negativ!";
return ;
}
else{
viz[G[varf][i]]=1;
t[G[varf][i]]++;
coada.push(G[varf][i]);
}
}
}
}
}
for(i=2;i<=n;i++)
if(d[i]==INF)
g<<0<<' ';
else
g<<d[i]<<' ';
}
int main(){
citire();
bellman_ford();
return 0;
}