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#include <fstream>
#include <vector>
#include <cstring>
#include <queue>
#define nma 100002;
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
vector <int> v[100002];
queue <int> q;
int n,m,p,x,y,s;
int lg[100002];
short int fr[100002];
void bfs()
{
fr[p]=1;
while(!q.empty())
{
int k=q.front();
q.pop();
for(vector <int> :: iterator i=v[k].begin();i!=v[k].end();i++)
{
if(fr[*i]==0)
{
fr[*i]=1;
lg[*i]=lg[k]+1;
q.push(*i);
}
}
}
}
int main()
{
memset(lg,-1,sizeof(lg));
fin>>n>>m>>p;
for(int i=1;i<=m;i++)
{
fin>>x>>y;
v[x].push_back(y);
}
q.push(p);
lg[p]=0;
bfs();
for(int i=1;i<=n;i++)
{
fout<<lg[i]<<" ";
}
return 0;
}