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#include <fstream>
using namespace std;
struct nod
{
int vecin;
nod *leg;
};
int n,m,coada[100001],viz[100001],s;
nod * LV[100001],*p;
ifstream f("bfs.in");
ofstream g("bfs.out");
int main ()
{
int i,u,v,pr,ul;
f>>n>>m>>s;
for(i=1;i<=m;i++)
{
f>>u>>v;
p = new nod;
p->vecin =v;
p->leg=LV[u];
LV[u]=p;
}
for(i=1;i<=n;i++)
viz[i]=-1;
viz[s]=0;
//BFS
coada[1]=s;
pr=1;
ul=1;
while(pr<=ul)
{
v=coada[pr];
for(p=LV[v];p!=0;p=p->leg)
{
if(viz[p->vecin]==-1)
{
ul++;
coada[ul]=p->vecin;
viz[p->vecin]=1+viz[v];
}
}
pr++;
}
for(i=1;i<=n;i++)
g<<viz[i]<<" ";
return 0;
}