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#include <bits/stdc++.h>
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
vector<int> v[100001];
deque <int>p;
bool viz[100001];
int sol[100001];
int main()
{
int n,m,s,x,y,d=0,nod,sz;
f>>n>>m>>s;
for(int i=1; i<=m; i++){
f>>x>>y;
v[x].push_back(y);
}
p.push_back(s);
viz[s]=1;
while(p.empty()==false){
nod=p[0];
sz=v[nod].size();
for(int i=0; i<sz; i++){
if(viz[v[nod][i]]==0){
p.push_back(v[nod][i]);
sol[v[nod][i]]=sol[nod]+1;
viz[v[nod][i]]=1;
}
}
p.pop_front();}
for(int i=1; i<=n; i++)
if(sol[i]==0 && i!=s)
g<<-1<<" ";
else
g<<sol[i]<<" ";
return 0;
}