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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
const int NMAX = 1e5;
vector<int> L[NMAX + 1];
int dist[NMAX + 1];
void bfs(int source){
dist[source] = 0;
queue<int> q;
q.push(source);
while (!q.empty()){
int node = q.front();
q.pop();
for(auto next: L[node]){
if(dist[next] == -1){
dist[next] = dist[node] + 1;
q.push(next);
}
}
}
}
int main() {
int n, m, s;
fin >> n >> m >> s;
for(int i = 1; i < m; i++){
int x, y;
fin >> x >> y;
L[x].push_back(y);
}
for(int i = 0; i < n; i++){
dist[i] = -1;
}
bfs(s);
for(int i = 1; i <= n; i++){
fout << dist[i] << " ";
}
return 0;
}