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#include <fstream>
#include <vector>
#include <queue>
using namespace std;
int main() {
ifstream f("bfs.in");
ofstream g("bfs.out");
int n, m, s, x, y;
f >> n >> m >> s;
vector<int> G[n + 1];
int dist[n + 1];
for (int i = 1; i <= n; i++)
dist[i] = 0;
for (int i = 0; i < m; i++) {
f >> x >> y;
G[x].push_back(y);
}
queue<int> q;
q.push(s);
while (!q.empty()) {
int node = q.front();
q.pop();
for (int ne: G[node])
if (dist[ne] == 0 && ne != s) {
dist[ne] = dist[node] + 1;
q.push(ne);
}
}
for (int i = 1; i <= n; i++)
if (dist[i] == 0 && i != s)
g << -1 << ' ';
else
g << dist[i] << ' ';
f.close();
g.close();
return 0;
}