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#include <bits/stdc++.h>
using namespace std;
ifstream fin ("bfs.in");
ofstream fout ("bfs.out");
vector<int> a[100001];
int n,m,start,x,y;
int vizite[100001],distanta[100001];
queue<int> orase;
void BFS(int start){
vizite[start]=1;
distanta[start]=0;
orase.push(start);
while(!orase.empty()){
int city=orase.front();
for(auto vecin:a[city]){
if (vizite[vecin]==0){
vizite[vecin]=1;
orase.push(vecin);
distanta[vecin]=distanta[city]+1;
}
}
orase.pop();
}
}
int main()
{
fin>>n>>m>>start;
while(fin>>x>>y){
a[x].push_back(y);
}
for(int i=1;i<=n;++i){
sort(a[i].begin(),a[i].end());
}
for(int i=1;i<=n;++i){
distanta[i]=-1;
}
BFS(start);
for(int i=1;i<=n;++i){
fout<<distanta[i]<<" ";
}
return 0;
}