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#include <iostream>
#include <fstream>
#include <queue>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
struct Nod{int inf;Nod*leg;}*L[100001];
typedef Nod* nod;
queue<int> q;
bool viz[100001];
int lungime[100001];
int n,m,s;
void add(int x, int y)
{
nod p=new Nod;
p->leg=L[x];
p->inf=y;
L[x]=p;
}
void citire()
{
int x,y;
fin>>n>>m>>s;
for(int i=1; i<=m; i++)
{
fin>>x>>y;
add(x,y);
}
}
void bf(int x)
{
viz[x]=1;
q.push(x);
while ( !q.empty() )
{
for(nod w=L[q.front()];w;w=w->leg)
if(!viz[w->inf]){
viz[w->inf]=1;
q.push(w->inf);
lungime[w->inf]=lungime[q.front()]+1;
}
q.pop();
}
}
void afisare()
{
for(int i=1; i<s; i++)
if(!lungime[i])fout<<"-1 ";
else fout<<lungime[i]<<" ";
fout<<"0 ";
for(int i=s+1; i<=n; i++)
if(!lungime[i])fout<<"-1 ";
else fout<<lungime[i]<<" ";
}
int main()
{
citire();
bf(s);
afisare();
return 0;
}