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#include <cstdio>
#include <vector>
#include <queue>
using namespace std;
const int inf=1000000000;
struct edge
{
int nod,c;
};
vector<edge> v[50010];
queue<int> q;
int d[50010],cnt[50010],n;
char introdus[50010];
int bellman_ford(int nod)
{
for(int i=1; i<=n; i++) d[i]=inf;
d[nod]=0;
q.push(nod);
introdus[nod]=1;
while(!q.empty())
{
int nod=q.front();
q.pop();
introdus[nod]=0;
for(vector<edge>::iterator it=v[nod].begin(); it!=v[nod].end(); it++)
if(d[it->nod]>d[nod]+it->c)
{
d[it->nod]=d[nod]+it->c;
if(!introdus[it->nod])
{
if(++cnt[it->nod]==n) return 0;
q.push(it->nod);
introdus[it->nod]=1;
}
}
}
return 1;
}
int main()
{
freopen("bellmanford.in", "r", stdin);
freopen("bellmanford.out", "w", stdout);
int m,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({y,c});
}
if(!bellman_ford(1)) printf("Ciclu negativ!");
else
{
for(int i=2; i<=n; i++) printf("%d ",d[i]);
}
return 0;
}