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#include <bits/stdc++.h>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int n,m,s,nr[100010],x,y,use[100010];
vector <int> v[100010];
queue <int> q;
int main()
{
ios_base::sync_with_stdio(false);
fin>>n>>m>>s;
for(int i=1;i<=m;i++)
{
fin>>x>>y;
v[x].push_back(y);
}
q.push(s);
use[s]=1;
while(!q.empty())
{
x=q.front();
q.pop();
for(auto it : v[x])
if(!use[it])
{
nr[it]=nr[x]+1;
use[it]=1;
q.push(it);
}
}
for(int i=1;i<=n;i++)
if(use[i])
fout<<nr[i]<<' ';
else fout<<-1<<' ';
return 0;
}