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#include <stdio.h>
#include <string.h>
#include <vector>
#include <queue>
#define NMAX 50005
#define inf 1<<30
using namespace std;
int N, M;
vector <pair <int, int> > v[NMAX];
queue <int> q;
int dist[NMAX], nr[NMAX];
bool viz[NMAX];
void dijkstra(){
int ciclu = 0;
for(int i = 1; i <= NMAX; ++i)
dist[i] = inf;
//memset(dist, inf, sizeof(dist));
memset(viz, 0, sizeof(viz));
q.push(1);
dist[1] = 0;
viz[1] = 1;
while(!q.empty() && !ciclu){
int nod = q.front();
viz[nod] = 0;
q.pop();
for(vector <pair<int, int> > :: iterator it = v[nod].begin(); it != v[nod].end(); ++it)
if(dist[nod] + it->second < dist[it->first]){
dist[it->first] = dist[nod] + it->second;
if(!viz[it->first]){
if(nr[it->first] > N)
ciclu = 1;
else{
q.push(it->first);
viz[it->first] = 1;
++nr[it->first];
}
}
}
}
if(ciclu)
printf("Ciclu negativ!\n");
else
for(int i = 2; i <= N; ++i)
printf("%d ", dist[i] == inf ? 0 : dist[i]);
}
int main(){
freopen("bellmanford.in", "r", stdin);
freopen("bellmanford.out", "w", stdout);
int x, y, c;
scanf("%d %d", &N, &M);
for(int i = 1; i <= M; ++i){
scanf("%d %d %d", &x, &y, &c);
v[x].push_back(make_pair(y,c));
}
dijkstra();
return 0;
}