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#include <fstream>
#include <set>
#include <queue>
using namespace std;
const string task("bfs");
ifstream cin(task+".in");
ofstream cout(task+".out");
int n,m,s;
set<int> a[100001];
int v[100001];
struct quee
{
int x,y;
};
queue <int> q;
int main()
{
cin>>n>>m>>s;
for(int i=1;i<=m;i++)
{
int x,y;
cin>>x>>y;
a[x].insert(y);
}
v[s]=0;
q.push(s);
while(!q.empty())
{
int n=q.front();
q.pop();
for(set<int>::iterator it=a[n].begin(); it!=a[n].end(); it++)
{
if(v[*it]==0 && *it!=s)
{
v[*it]=v[n]+1;
q.push(*it);
}
}
}
for(int i=1;i<=n;i++)
{
if(v[i]==0 && i!=s)
{
cout<<-1<<" ";
}
else
{
cout<<v[i]<<" ";
}
}
return 0;
}