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#include<bits/stdc++.h>
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
int N,M,S,x,y,rez[100001];
bool viz[100001];
vector <int> G[100001];
queue < pair<int,int> > q;
void bfs(int nod){
q.push(make_pair(nod,0)),viz[nod]=1,rez[nod]=0;
int nr=0;
while(!q.empty()){
y=q.front().first;
x=q.front().second;
q.pop();
for(int i=0;i<G[y].size();++i)
if(!viz[G[y][i]]){
viz[G[y][i]]=1;
rez[G[y][i]]=x+1;
q.push(make_pair(G[y][i],x+1));
}
}
}
int main()
{
f>>N>>M>>S;
for(int i=1;i<=N;++i)rez[i]=-1;
while(M--){
f>>x>>y;
G[x].push_back(y);
}
bfs(S);
for(int i=1;i<=N;++i)g<<rez[i]<<' ';
return 0;
}