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#include <iostream>
#include <fstream>
#include <queue>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
struct nod
{
int info;
nod *urm;
};
nod *L[100001];
int n, m, s, fr[100001];
void adauga(int i, int j)
{
nod *p=new nod;
p->info=j;
p->urm=L[i];
L[i]=p;
}
void citire()
{
fin>>n>>m>>s;
int i, j;
for(int k=1;k<=m;k++)
{
fin>>i>>j;
adauga(i,j);
}
fin.close();
}
void parcurgereBFS(int poz)
{
queue <int> C;
C.push(poz);
fr[poz]=1;
while(!C.empty())
{
int q=C.front();
C.pop();
for(nod *p=L[q];p!=NULL;p=p->urm)
{
if(fr[p->info]==0)
{
fr[p->info]=fr[q]+1;
C.push(p->info);
}
}
}
}
int main()
{
citire();
parcurgereBFS(s);
for(int i=1;i<=n;i++)
{
if(i==s)
fout<<0<<' ';
else if(fr[i]==0)
fout<<-1<<' ';
else
fout<<fr[i]-1<<' ';
}
return 0;
}