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#include <fstream>
#include <queue>
#include <vector>
using namespace std;
vector<int> g[100001];
bool viz[100001];
int dist[100001];
ifstream in("bfs.in");
ofstream out("bfs.out");
void bfs(int nod) {
queue<int> q;
q.push(nod);
dist[nod] = 0;
viz[nod] = true;
while(!q.empty()) {
int x = q.front();
q.pop();
for(int exp : g[x]) {
if(viz[exp]) continue;
q.push(exp);
viz[exp] = 1;
dist[exp] = dist[x]+1;
}
}
}
int main() {
int n, m, nod;
cin >> n >> m >> nod;
int a, b;
for(int i = 0; i < m; i++) {
cin >> a >> b;
g[a].push_back(b);
}
bfs(nod);
for(int i = 1; i <= n; i++) {
if(viz[i]) cout << dist[i] << " ";
else cout << "-1 ";
}
return 0;
}