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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
vector <int> A[1000001];
int n,m,p;
int R[1000001];
queue <int> Q;
void bfs(int nod,int k)
{
R[nod]=k;
int g=A[nod].size();
for(int i=0;i<g;i++)
{
int s=A[nod][i];
if(R[nod]+1<R[s])
bfs(s,R[nod]+1);
}
}
int main()
{
fin>>m>>n>>p;
for(int i=1;i<=n;i++)
{
int a,b;
fin>>a>>b;
A[a].push_back(b);
}
for(int i=1;i<=n;i++)
R[i]=-1;
Q.push(p);
R[p]=0;
while(!Q.empty())
{
int nod=Q.front();
Q.pop();
int g=A[nod].size();
for(int i=0;i<g;i++)
{
int s=A[nod][i];
if(R[s]==-1)
{
R[s]=R[nod]+1;
Q.push(s);
}
}
}
for(int i=1;i<=m;i++)
fout<<R[i]<<" ";
return 0;
}