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#include <iostream>
#include <fstream>
#define nrn 50001
#define nrm 250001
#define maxi 999999999
using namespace std;
ifstream f("bellmanford.in");
ofstream g("bellmanford.out");
int t[3][nrm], viz[nrn], c[nrn], start[nrn], cost[nrn],n,m,ok=1,i, cnt[nrn];
void liste_adiacenta()
{
int i,x,y,z;
for (i=1;i<=m;i++)
{
f>>x>>y>>z;
t[0][i]=y;
t[1][i]=start[x];
start[x]=i;
t[2][i]=z;
}
}
int ford(int nod)
{
int i,x,y,pi=1, ps=1, k;
c[pi]=nod;
for (i=1;i<=n;i++) cost[i]=maxi;
cost[nod]=0;
while (ps<=pi)
{
k=c[ps];
x=start[k];
viz[k]=0;
while (x)
{
if (cost[k]+t[2][x]<cost[t[0][x]])
{
cost[t[0][x]]=cost[k]+t[2][x];
cnt[t[0][x]]++;
if (cnt[t[0][x]]>=n) return 0;
if (!viz[t[0][x]])
c[++pi]=t[0][x] , viz[t[0][x]]=1;
}
x=t[1][x];
}
ps++;
}
return 1;
}
int main()
{
f>>n>>m;
liste_adiacenta();
ok=ford(1);
if (!ok) g<<"Ciclu negativ!";
else
{
for (i=2;i<=n;i++)
g<<cost[i]<<" ";
}
return 0;
}