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#include <cstdio>
#include <vector>
#include <queue>
#include <utility>
#define NMAX 50010
#define INF 0x3f3f3f3f
using namespace std;
int n,m;
vector<pair<int, int> > arcs[NMAX];
int d[NMAX];
int readInt()
{
int n=0;
int sign;
char c=getchar();
while((c<'0' || c>'9') && c!='-') c=getchar();
if(c=='-'){ sign=-1; c=getchar();}
else {sign=1;}
while(c>='0' && c<='9')
{
n=(n<<1)+(n<<3)+c-'0';
c=getchar();
}
return n*sign;
}
void Read()
{
int a,b,d;
freopen("bellmanford.in","r",stdin);
n=readInt();
m=readInt();
for(int i=0;i<m;++i)
{
a=readInt();
b=readInt();
d=readInt();
arcs[a].push_back(make_pair(b,d));
}
}
bool Bellmanford(int s)
{
int cnt=0;
queue<int> fifo;
vector<pair<int,int> >:: iterator it;
for(int i=1;i<=n;++i)
{
d[i]=INF;
}
d[1]=0;
fifo.push(s);
int k=n*m;
while(!fifo.empty() && cnt<k)
{
int u = fifo.front();
fifo.pop();
for(it=arcs[u].begin();it!=arcs[u].end();++it)
{
if(d[it->first]>d[u]+it->second)
{
d[it->first]=d[u]+it->second;
fifo.push(it->first);
}
}
cnt++;
}
if(cnt==k)
{
return false;
}
return true;
}
void Write(bool boolean)
{
freopen("bellmanford.out","w",stdout);
if(boolean==false)
{
printf("Ciclu negativ!\n");
}
else
{
for(int i=2;i<=n;++i)
{
printf("%d ",(d[i]!=INF)?d[i]:0);
}
}
}
int main()
{
Read();
bool boolean = Bellmanford(1);
Write(boolean);
return 0;
}